Question

A=2/3 b=-2 then find the value of (a+b)^2

Answer 1

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${(a + b)}^{2} \\ = {( \frac{2}{3} - 2) }^{2} \\ = {( \frac{2 - 6}{3}) }^{2} \\ = {( \frac{ - 4}{3}) }^{2} \\ = \frac{ { (- 4})^{2} }{ {3}^{2} } \\ = \frac{16}{9}$

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