TAGS:- BASIC ALGEBRA RULES I ALGEBRA FORMULAS I BASIC RULES AND FORMULAS OF ALGEBRA I BASIC FORMULAS OF ALGEBRA I CAT ALGEBRA SYLLABUS I CAT ALGEBRA FORMULAS I MATHS RULES AND FORMULAS I ALGEBRA RULES
Basic Formula of Algebra:
- (a + b)2 = a2 + b2 + 2ab
- (a - b)2 = a2 + b2 - 2ab
- (a + b)2 - (a - b)2 = 4ab
- (a + b)2 + (a - b)2 = 2 (a2 + b2)
- (a2 - b2) = (a + b) (a - b)
- (a + b + c)2 = a2 + b2 + c2 + 2 (ab + bc + ca)
- (a3 + b3) = (a +b) (a2 - ab + b2)
- (a3 - b3) = (a - b) (a2 + ab + b2)7
- (a3 + b3 + c3 - 3abc) = (a + b + c) (a2 + b2 + c2 - ab - bc - ca)
- If a + b + c = 0, then a3 + b3 + c3 = 3abc
- (a2 - b2) = (a +b) (a -b)
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