Question

144 elevado a -1/2
Resposta : 1/12

Answer 1

${144}^{ - \frac{1}{2} } = ( {12}^{2} )^{ - \frac{1}{2} } = 12^{2 \times ( - \frac{1}{2}) } = {12}^{ - 1} = \frac{1}{12}$