Question

what is the formulla of
$(a + b) {}^{2}$
​

Answer 1

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

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Answer 2

Answer:

${a}^{2} + 2ab + {b}^{2}$

Step-by-step explanation:

(it's (a+b) (a+b)

= a^2+ab+ba+b^2

=a^2+2ab+b^2