Question

$a + b \: ka \: hole \: squar$
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Answer 1

(a+b)²= a²+b²+2ab

OR

(a+b)²= a²+2ab+b²

hope it helps you....

Answer 2

Answer:

$(a + b) {}^{2} = a {}^{2} + 2ab + b {}^{2}$

hope this helps you ✔️