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Mention algebraic identities

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Mention algebraic identities
  • 2 answers

Keshav Bindal 7 years, 9 months ago

a3 + b3 & a3 - b3 ...???

Joy Chandel 7 years, 9 months ago

Identity I: (a + b)2 = a2 + 2ab + b2 Identity II: (a – b)2 = a2 – 2ab + b2 Identity III: a2 – b2= (a + b)(a – b) Identity IV: (x + a)(x + b) = x2 + (a + b) x + ab Identity V: (a + b + c)2 = a2 + b2 + c2 + 2ab + 2bc + 2ca Identity VI: (a + b)3 = a3 + b3 + 3ab (a + b) Identity VII: (a – b)3 = a3 – b3 – 3ab (a – b) Identity VIII: a3 + b3 + c3 – 3abc = (a + b + c)(a2 + b2 + c2 – ab – bc – ca)
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