Question

simplify (a+b)^2+(a-b)^2​

Answer 1

a²+b²+2ab+a²+b²-2ab

2(a²+b²)

hope this is helpful

Answer 2

Answer:

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

Step-by-step explanation:

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