Question

what is the value of (a+b)²?

Answer 1

Answer:

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Step-by-step explanation:

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

Answer 2

Answer:

a²+b²+2ab

Step-by-step explanation:

(a+b)²

=(a+b)*(a+b)

=a(a+b)+b(a+b)

=a²+ab+b²+ab

=a²+b²+2ab