A+b=9anda-b=20 value of (a+b)^2

1.	A+b=9anda-b=20 value of (a+b)^2
Answer» $a + b = 9 \\ a - b = 20 \\ {(a + b)}^{2} = (a + b)(a + b) \\ (9)(9) = 81$ HERE IS YOUR ANSWER.

Answer»

$a + b = 9 \\ a - b = 20 \\ {(a + b)}^{2} = (a + b)(a + b) \\ (9)(9) = 81$

HERE IS YOUR ANSWER.

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A+b=9anda-b=20 value of (a+b)^2​

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A+b=9anda-b=20 value of (a+b)^2