Question

[(1/2)^-1 +(2/3)^2 -(3/4) equals to which number.
please answer step by step.

Answer 1

${ \frac{1}{2} }^{ - 1} + { \frac{2}{3} }^{2} - \frac{3}{4} \\ = 2 + \frac{ {2}^{2} }{ {3}^{2} } - \frac{3}{4} \\ = 2 + \frac{4}{9} - \frac{3}{4} \\ = \frac{72 + 16 - 27 }{36} \\ = \frac{88 - 27}{36} \\ = \frac{61}{36} \\ = 1 +\frac{25}{36}$

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