Question

verify the identity a2 + b2 - 2ab =(a - b)2 from Algebra

Answer 1

LHS. RHS

a^2+b^2-2ab=(a-b)^2

= (a-b) (a-b)=a^2+b^2-2ab

Hence LHS=RHS

HOPE U GOT IT

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Answer 2

Step-by-step explanation:

a^2 + b^2 -2ab=(a-b)^2

RHS=(a-b)^2

= (a-b)(a-b)

= a(a-b)-b(a-b)

= a^2 - ab - ba + b^2

= a^2 -2ab + b^2 = LHS....

OR

LHS= a^2 -2ab+ b^2

= a^2 -ab- ab + b^2

= a(a-b) -b(a-b)

= (a-b)(a-b)

= (a-b)^2= RHS.....

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