Question

Решите пожалуйста ...

Answer 1

  !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 2

a) = √3·√3/2 + 1/2  · 1/2 = 3/2  + 1/4 = 1,5 + 0,25 = 1,75.
б)=√3/2 - √2 · √2/4 = √3/2 - 1/2 = (√3 - 1)/2