Question

ए प्लस बी होल स्क्वायर ​

Answer 1

Answer:

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

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Answer 2

Answer:

here is the formula..

(a+b )² = a² + 2ab + b²

I hope it's helpful for you