Question

what is formula in a+b whole sq.​

Answer 1

Answer:

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

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

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Answer 2

Answer:

Hope it helped....

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Step-by-step explanation:

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