Question

(a+b) square + (a-b) square =
a) a square + b square
b) a square - b square
c) 2a square + 2b square
d) 2a square - 2b square​

Answer 1

Answer:

(a+b)²+(a-b)²=2a²+2b²

Option C

Step-by-step explanation:

(a+b)²+(a-b)²

=a²+2ab+b²+a²-2ab+b²

=a²+a²+b²+b²+2ab-2ab

=2a²+2b²

Option C

Answer 2

Answer:

Answer:

(a+b)²+(a-b)²=2a²+2b²

Option C

Step-by-step explanation:

(a+b)²+(a-b)²

=a²+2ab+b²+a²-2ab+b²

=a²+a²+b²+b²+2ab-2ab

=2a²+2b²

Option C

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