Question

(1/2-1) elevado a -1+ (-2)elevado a 3
$( \frac{1}{2 } - 1) ^{ - 1} + ( - 2) {}^{3}$

Answer 1

${( \frac{1}{2} - 1)}^{ - 1} + {( - 2)}^{3} = \\ = { (- \frac{1}{2}) }^{ - 1} - 8 = \\ = - 2 - 8 = - 10$