Question

evaluate {(1/5)^-1-(1/6)^-1}^-1​

Answer 1

Answer:

$(( \frac{1}{5} ) {}^{ - 1} - ( \frac{1}{6} ) {}^{ - 1} ) {}^{ - 1} \\ ({5}^{1} - {6}^{1} ) {}^{ - 1} \\ ( - 1) {}^{ - 1} \\ - 1$