Question

a to the power-1× b to the power -1= (ab)to the power x. find x​

Answer 1

${a}^{ - 1} \times {b}^{ - 1} = {ab}^{x}$

if power are same then base product will have same power

${ab}^{ - 1} = {ab}^{x}$

and if base are same the power are equal

so, x=-1