Question

the value of(a+b)²+(a-b)²is​

Answer 1

Step-by-step explanation:

a2+b2+2ab+a2+b2-2ab

a2+b2+a2+b2

2a2+2b2

2(a2+b2)

Answer 2

Answer:

2(A2+378)

Step-by-step explanation:

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