Question

[(4)-¹ - (5)-¹]² × (5/8)-¹​

Answer 1

Answer:

$((4) {}^{ - 1} - (5) {}^{ - 1} ) {}^{2} \times ( \frac{ 5}{8} ) {}^{ - 1}$

$( \frac{1}{4} - \frac{1}{5} ) \times ( \frac{8}{5} )$

$( \frac{5 - 4}{20} ) \times ( \frac{8}{5} )$

$\frac{1}{20} \times \frac{8}{5}$

$\frac{2}{25}$

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