Question

(корень 0.75-2)^-1=
помогите)

Answer 1

$(\sqrt{0,75-2})^-^1= \frac{1}{( \sqrt{0.75-2}} =[tex] \frac{1}{ \sqrt{-1,25}}= \frac{1}{^+_-0.5 \sqrt{5}i}$[/tex]