Question

Calcular: (5⁻¹ - 5⁻²) ⁻¹

Answer 1

Respuesta:

6 $\frac{1}{4}$

Explicación paso a paso:

(5⁻¹ ₋ 5⁻²)⁻¹

5⁻¹ = $\frac{1}{5}$                        5⁻² = $\frac{1}{5}$² = $\frac{1}{25}$

$\frac{1}{5}$ ⁻ $\frac{1}{25}$ = $\frac{5}{25}$ ⁻ $\frac{1}{25}$ = $\frac{4}{25}$

$( \frac{4}{25} )$⁻¹ = 25/4 = 6$\frac{1}{4}$