Question

1 - Resolva.
$(1 -\frac{1}{2}) ^{4}$ (1+$\frac{1}{2} ^{-1}$

Answer 1

$(1- \frac{1}{2} )^4(1+ \frac{1}{2}) ^{-1} = \\ \\= ( \frac{1}{2})^4.( \frac{3}{2}) ^{-1} = \\ \\ = \frac{1^4}{2^4} . \frac{2}{3} = \\ \\ = \frac{1}{16} . \frac{2}{3} = \\ \\ = \frac{1}{24}$