General maths (10th) chapter1 exercise 1.3 Question No 3 Part (vii)
Автор: online tutor
Загружено: 2021-03-23
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In this online lecture,Online Tutor explains Matric part 2 General Mathematics Chapter 1 "Algebric Formulas and Applications" in Urdu.The Exercise 1.3, Question No. 3 Part (vii) will be solved As per National syllabus 2006 and National Text book and Learning Materials Policy 2007 Authorised by THE PUNJAB CURRICULUM AUTHORITY PUNJAB , punjab text book board Lahore/Sindh text book board/KPK text book board 10th Class book 2 lecture is conducted in Urdu/hindi/English. This lecture for 10th class Mathematics Chapter 1 is created for all students who want to prepare this topic in detail.
Algebra is a branch of Mathematics that substitutes letters for numbers. An algebraic equation depicts a scale, what is done on one side of the scale with a number is also done to either side of the scale. The numbers are constants. Algebra also includes real numbers, complex numbers, matrices, vectors and much more. X, Y, A, B are the most commonly used letters that represent the algebraic problems and equation 1/b.
Following are some important formulas used in mathemaics.
a2 – b2 = (a – b)(a + b)
(a+b)2 = a2 + 2ab + b2
a2 + b2 = (a – b)2 + 2ab
(a – b)2 = a2 – 2ab + b2
(a + b + c)2 = a2 + b2 + c2 + 2ab + 2ac + 2bc
(a – b – c)2 = a2 + b2 + c2 – 2ab – 2ac + 2bc
(a + b)3 = a3 + 3a2b + 3ab2 + b3
(a + b)3 = a3 + b3 + 3ab(a + b)
(a – b)3 = a3 – 3a2b + 3ab2 – b3
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