Question

simplify(a+b)^+(a-b)2​

Answer 1

Step-by-step explanation:

We simply use algebraic identities here.

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

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

= 2 ( a ^ 2 + b ^ 2)

= 2 a ^ 2 + 2 b ^ 2

Answer 2

Answer:

(a+b)²+(a-b)²

=a²+b²+2ab+a²+b²-2ab

=a²+b²+a²+b²

=2a²+2b²

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