"text": "

Here you can check the Math formula by class, topics, and theorem that is mention above in the body content.

" xڝV]o�6}���o]��PtȚ����������dɓ('��;�%'nK����{��9�Ҝi��)A9YA�Qf�K�_>��Œ� NB�^���$2,�$Ó�$�$#�%I|r�)RL�������'�g3�/4i�Őa/�(D��d� d�Ym �c�(�8�)�vfepd4�"#c(��)�YFy�)��$V��,REN�Y$�q:�X��e�Z��X.��GQ�! Math.com – Has a lot of information about Algebra, including a good search function. Either it is smartphones, construction, buildings, artwork, money, sports, or engineering, etc., the application of mathematics can be seen everywhere.

" Khairul basic math book price is 350-400 taka. If you have any question about Khairul’s basic Book download then you can comment on below section . %PDF-1.5 Khairuls Basic Math PDF Download New Edition. This book is best book for math in ever. The sheets present concepts in the order they are taught and give examples of their use. (খাইরুলস ম্যাথ PDF). Well, formulas can be simpler or complex based on the topic you selected but there is a need for depth understanding of each of the formulas to solve a particular problem. But matte of glad that, you can download this ebook from our website. }, }, >> Anyone can understand these math easily . �%�wO�n��+�x All math technique of this book is very easy and reliable. "@type": "Question", If \(\vec{a}\) is a vector then unit vector of \(\vec{a}\) is denoted by \(\hat{a}\) and \(\hat{a}=\frac{\hat{a}}{\left | \hat{a} \right |}\) Therefore \( \hat{a}=\frac{\hat{a}}{\left | \hat{a} \right |}\hat{a}\), Important unit vectors are \(\hat{i}, \hat{j}, \hat{k}\), where \(\hat{i} = [1,0,0],\: \hat{j} = [0,1,0],\: \hat{k} = [0,0,1]\), If \( l=\cos \alpha, m=\cos \beta, n=\cos\gamma,\) then \( \alpha, \beta, \gamma,\) are called directional angles of the vectors\(\overrightarrow{a}\) and \(\cos^{2}\alpha + \cos^{2}\beta + \cos^{2}\gamma = 1\), \(\vec{a}+\left ( \vec{b}+ \vec{c} \right )=\left ( \vec{a}+ \vec{b} \right )+\vec{c}\), \(k\left ( \vec{a}+\vec{b} \right )=k\vec{a}+k\vec{b}\). This first section shows that even these simple }, "name": "What is a formula in math? In our routine life, you can check the best route to your school, you can check where more discounted products are available in the market, and you can check which bank can offer the superior interests. This is all about calculation and connecting dots that we are able to find the solution. { In this khairuls ebook you will get algebra, arithmetic, geometry, trigonometry,and mental ability. So we suggest you to read this book to improve your math. "@type": "Question", You can find here all math chapter with new technique. Proof Ceva’s Theorem Formula, Inverse Trigonometric Functions Maths Formulas for Class 12 Chapter 2, Mid Point Theorem Proof – Converse | Mid Point Theorem Formula, What is Apollonius Theorem? You can get this any library in Bangladesh. { PU-II AP-Maths IGCSE IB AP-Mathematics, State Board or High School exams, College Math exams and other exams. "acceptedAnswer": { There are links to the corresponding Leeds University Library skills@Leeds page, in which there are subject notes, videos and examples. List of Basic Probability Formula Sheet, Right Angle Formula| Half-Angle, Double Angle, Multiple, Change of Base Formula with Problem Solved Example, What is Vector in Math? Math related all chapter includes in this book. ", } �9��D�.^P��!lLzzYrjD/���:I��� Adding, subtracting, multiplying and dividing are the building blocks of basic maths. } You can find here all math chapter with new technique. Also, we have discussed the applications of the different mathematical concepts in real life and how it can help students in their careers. This book is best book for math in ever. If you are week in English then we suggest you to follow Khairuls Basic Math book, It will helps you to overcome your math weakness. "@type": "Answer", Khairul Basic Math pdf free download 2020. 3 Fractions : Fractions are ratios of whole numbers, which allow us to express numbers which are between the whole numbers. Chapter 1 Pre-Algebra : Section 1. /N 100 In this khairuls ebook you will get algebra, arithmetic, geometry, trigonometry,and mental ability. Also, we have hosted a large sheet of formulas for your reference so that you can memorize them and apply them wherever needed. ϭ͘ Ϯ͘ ϯ͘ ϰ͘ ϱ͘ ϲ͘ ϳ͘ ϴ͘ ϵ͘ ϭϬ͘. { } \(\vec{a}+\vec{0}=\vec{0}+\vec{a}\), therefore \( \vec{0}\) is the additive identity in vector addition. This new and exciting program will develop your skills, knowledge and understanding so that you can be successful as a professional mariner. IIT-JEE main and advanced, CBSE Standard 12 Math Survival Guide-Definite Integral by Prof. Subhashish Chattopadhyay SKM Classes Bangalore Useful for I.Sc. "text": "

Math formulas help to resolve math problem, you can easily get better results as well as save time to solve the math problems.

" \(\vec{a}+\left ( -\vec{a} \right )=-\vec{a}+\vec{a}=\vec{0}\), therefore \(\vec{a}\) is the inverse in vector addition. FIRST YEAR LECTURE NOTES SMA 101: BASIC MATHEMATICS First Edition WRITTEN BY "@type": "FAQPage", Sometimes, Math is Fun and sometimes it could be a surprising fact too. }, Average Rate Of Change Formula Made Simple, Copyright © 2020 Andlearning.org stream ], Download Every Month BD Current Affairs 2020 PDF, All MP3 Books PDF Download 2020 (MP3 সিরিজের সকল বই ডাউনলোড), This post is related to : খাইরুলস ম্যাথ PDF, বেসিক ম্যাথ পিডিএফ ডাউনলোড, খাইরুলস বেসিক ম্যাথ PDF ডাউনলোড, খাইরুলস পাবলিকেশন বই ডাউনলোড ।. { ", Calculating percentages can be an easy task. For example, 22 2 2 is between 2 and 3 . . dŚŝƐ ƚĞdžƚŬ ŝƐ ƚŚĞ ƉƌŽƉĞƌƚLJ ŽĨ LJŽƵƌ ƐĐŚŽŽů͘ dĂŬĞ ŐŽŽĚ ĐĂƌĞ ŶŽƚ ƚŽ ĚĂŵĂŐĞ Žƌ ůŽƐĞ ŝƚ͘ ,ĞƌĞ ĂƌĞ ϭϬ ŝĚĞĂƐ ƚŽ ŚĞůƉ ƚĂŬĞ ĐĂƌĞ ŽĨ ƚŚĞ Ŭ͗ . Khairuls Math book PDF is available in our website. Math related all chapter includes in this book. { Khairul Basic Math pdf free download 2020. } Angle Bisector Theorem Formula, List of Maths Formulas for Class 10th CBSE, What is Ceva’s Theorem? "@type": "Question", "@type": "Answer", \(Direct\; Method: x̅ = \frac{\sum_{i=1}^{n}f_i x_i}{\sum_{i=1}^{n}f_i}\), \(Assumed\; mean\; method : x̅ = a+\frac{\sum_{i=1}^{n}f_i d_i}{\sum_{i=1}^{n}f_i}\), \(Step \;deviation \;method : x̅ = a+\frac{\sum_{i=1}^{n}f_i u_i}{\sum_{i=1}^{n}f_i}\times h\), \(Mode = l+\frac{f_1 – f_0}{2f_1 – f_0 – f_2} \times h\), \( Range = Largest\; Value – Smallest\; Value \), \(Median = l+\frac{\frac{n}{2} – cf}{f} \times h\), \( Variance = \sigma ^{2} = \frac{\sum (x- \bar{x})^{2}}{n}\), \( Standard\;Deviation \; \sigma = \sqrt{\frac{\sum (x-\bar{x})^{2}}{n}}\), Area of Scalene Triangle = \( \sqrt{s(s-a)(s-b)(s-c)} \), Perimeter of Scalene Triangle = \( a+b+c \), Area of Isoscele Triangle = \(\frac{1}{2}bh\), Altitude of an Isosceles Triangle = \(\sqrt{a^{2}-\frac{b^{2}}{4}}\), Perimeter of Isosceles Triangle,P = \( 2a+b \), Area of an Right Triangle = \( \frac{\sqrt{1}}{2}bh\), Perimeter of an Right Triangle = \( a+b+c\), semi Perimeter of an Right Triangle = \( \frac{a+b+c}{2}\), Area of an Equilateral Triangle = \( \frac{\sqrt{3}}{4}a^{2}\), Perimeter of an Equilateral Triangle = \( 3a\), Semi Perimeter of an Equilateral Triangle = \( \frac{3a}{2}\), Height of an Equilateral Triangle = \( \frac{\sqrt{3}}{2}a\), Perimeter of a rhombus = \(4\times Side\), Area of a Rhombus A = \( \frac{1}{2} \times d_{1} \times d_{2} \), Area of a Parallelogram = \( b\times h\), Perimeter of Parallelogram = \( 2\left(b+h\right)\), Area of a Trapezoid = \( \frac{1}{2} \times h \times (a + b)\), Surface area of Cuboid = \( 2(lb + bh + hl)\), Volume of a Cuboid = \( h \times l \times w\), Surface area of a sphere = \(4\pi r^{2}\), Volume of a sphere = \(\frac{4}{3}\: \pi r^{3}\), Curved Surface area of a Hemisphere = \(4\pi r^{2}\), Total Surface area of a Hemisphere = \(3\pi r^{2}\), Volume of a Hemisphere = \(\frac{2}{3}\: \pi r^{3}\), Curved Surface area of a Cylinder = \(2\pi rh\), Total Surface area of a Cylinder = \(2\pi r(r+h)\), Total Surface Area of cone = \(\pi r \left (s+r \right )\), Vomule of cone = \(\frac {1}{3}\pi r^{2}h\), \(\sin \theta = \frac{Opposite}{Hypotenuse}\), \(\sec \theta = \frac{Hypotenuse}{Adjacent}\), \(\cos\theta = \frac{Adjacent}{Hypotenuse}\), \(\tan \theta =\frac{Opposite}{Adjacent}\), \(csc \theta = \frac{Hypotenuse}{Opposite}\), \(cot \theta = \frac{Adjacent}{Opposite}\), \(\sin\: x\cdot \cos\:y=\frac{\sin(x+y)+\sin(x-y)}{2}\), \(\cos\: x\cdot \cos\:y=\frac{\cos(x+y)+\cos(x-y)}{2}\), \(\sin\: x\cdot \sin\:y=\frac{\cos(x+y)-\cos(x-y)}{2}\), \(\sin\: x+\sin\: y=2\sin\frac{x+y}{2}\cos\frac{x-y}{2}\), \(\sin\: x-\sin\: y=2\cos\frac{x+y}{2}\sin\frac{x-y}{2}\), \(\cos\: x+\cos\: y=2\cos\frac{x+y}{2}\cos\frac{x-y}{2}\), \(\cos\: x-\cos\: y=-2\sin\frac{x+y}{2}\sin\frac{x-y}{2}\)<, \( \sin (x + y) = \sin(x) \cos(y) + \cos(x) \sin(y)\), \(\cos(x + y) = \cos(x) \cos(y) – \sin(x) \sin(y)\), \(\tan(x+y)=\frac{\tan\: x+\tan\: y}{1-\tan\: x\cdot \tan\: y}\), \(\sin(x – y) = \sin(x) \cos(y) – \cos(x) \sin(y)\), \(\cos(x – y) = \cos(x) \cos(y) + \sin(x) \sin(y)\), \(\tan(x-y)=\frac{\tan\: x – \tan\: y}{1+\tan\: x\cdot tan\: y}\), \(\tan(2x) = \frac{[2\: \tan(x)]}{[1 -\tan^{2}(x)]}\), \(\sin\frac{x}{2}=\pm \sqrt{\frac{1-\cos\: x}{2}}\), \(\cos\frac{x}{2}=\pm \sqrt{\frac{1+\cos\: x}{2}}\), \(\tan(\frac{x}{2}) = \sqrt{\frac{1-\cos(x)}{1+\cos(x)}}\), Commutative= \( A\cup B = B\cup A \) and \( A\cap B = B\cap A \), Associative= \( A\cup (B\cup C) = A\cup (B\cup C) \) and \( A\cap (B\cap C) = A\cap (B\cap C) \), Neutral element= \( A\cup \theta = A \) and \( A\cap E = A \), Absorbing element= \( A\cup E = E \) and \( A\cap \theta = \theta \), Distributive= \( A\cup (B\cap C)=(A\cup B)\cap (A\cup C) \) and \( A\cap (B\cup C)=(A\cap B)\cup (A\cap C) \), De Morgan’s laws= \( \bar(A\cap B) = \bar A \cup \bar B \) and \( \bar(A\cup B) = \bar A \cap \bar B \), Independent Events= \( P(A | B)=P(A) \) and \( P(A\cap B)=P(A)×P(B)\), Conditional Probability= \( P(A | B)=\frac{P(A\cap B)}{P(B)} \), Laplace laws= \( P(A)=\frac{Number\;of\;ways\;it\;can\;happen}{Total\;Number\;of\;Outcomes} \), Complement of an Event= \( P (\bar A)=1 – P(A)\), Union of Events= \( P(A\cup B)=P(A)+P(B)−P(A\cap B)\), Fraction formula = \( \sqrt{ a } = a^{ \frac{ 1 }{ 2 }}\), Reverse formula = \( \sqrt{ n } { a } = a^{\frac{ 1 } { n }}\), Negative power value = \( a^{ -n } = \frac{ 1 }{ a^{n} }\), Fraction formula = \( a^{n} = \frac{1}{ a^{ -n } }\), Product formula = \( a^{m}a^{n} = a^{ m + n }\), Division Formula = \( \frac{ a^{ m }}{ a^{ n }} = a ^{ m-n }\), Power of Power formula = \( (a^{ m })^{ p } = a^{ mp }\), Power distribution Formula = \( (a^ { m }c^{ n })^{ x } = a ^ { mx } c ^{ nx }\), The Power distribution Formula = \( \left ( \frac {a ^{ m }}{c^{ n }} \right )^{x} = \frac{a^{ mx }}{c^{ nx }}\), Power Even Number = \( (-1)^{Even Number} = 1 \), Power Odd Number = \( (-1)^{Odd Number} = -1 \), Product of Power Formula = \( (ab)^m = a^m \times b^m \), Addition = \( (a+bi)+(c+di)=(a+c)+(b+d)i \), Subtraction = \( (a+bi)−(c+di)=(a−c)+(b−d)i \), Multiplication = \( (a+bi)\times(c+di)=(ac−bd)+(ad+bc)i \), Division = \( \frac{(a+bi)}{(c+di)} = \frac{a+bi}{c+di} \times \frac{c-di}{c-di} = \frac{ac+bd}{c^{2}+d^{2}} + \frac{bc-ad}{c^{2}+d^{2}}\times i \), Multiplication Conjugates = \( (a+bi)(a+bi)=a^{2}+b^{2} \), \( \lim_{x \to a} \left[ {f(x) \pm g(x)} \right] = l \pm m\), \( \lim_{x \to a} f(x) \cdot g(x) = l \cdot m\), \(\lim_{x \to a} \frac{{f(x)}}{{g(x)}} = \frac{l}{m}\), where \)m \ne 0\), \(\lim_{x \to a} c{\text{ }}f(x) = c{\text{ }}l\), \(\lim_{x \to a} \frac{1}{{f(x)}} = \frac{1}{l}\), where \)l \ne 0\).

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