Question

Plz solve it
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Solve in book plz...​

Answer 1

$( \frac{2a}{b} + \frac{3a}{b} ) \times \: \frac{1}{5ab}$

$\frac{5a}{b} \times \frac{1}{5ab}$

$\frac{1}{ {b}^{2} }$