3 years ago

PLEASE HELP

2 answers:

7 0

Answer:

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

expanding:

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

2a² + 2b² = 2a² + 2b²

AnnZ [28]3 years ago

4 0

Answer:

with what?

Step-by-step explanation:

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