Question

aratati ca 1-1 supra 2 la puterea 2 plus 3 supra 4 egal cu 1

Answer 1

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