MATHEMATICS FORMULA
Algebraic formula-
some use ful formula of algebra this formula is improved your basic skill and you can solve any aljebra question using this fornmula
(a+b)2 =a2+2ab+b2
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(a-b)2 =a2-2ab+b2
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(a-b)2 =a2-2ab+b2
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a2+ b2=(a+b)2 -2ab
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(a+b)2 - (a-b)2 =4ab
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(a+b)2 + (a-b)2=2(a2+b2)
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a4+ b4= (a2+ b2)2 -2a2b2
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a4- b4= (a2+ b2)(a2- b2)=(a2+ b2)((a+b) (a-b))
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a6+ b6= (a2+ b2) {( a2+ b2)2-3a2b2}
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a6- b6= (a2- b2) {( a2- b2)2+3a2b2}
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