Question

Ajutati-ma va rog!
(2+0, 5)x (2-0, 5)+(2/radical din 3) totul la -2

Answer 1

(2,5x1,5+2√3)^(-2) =(3,75+2√3)^(-2)= 1/(14,0625+15√3+12) = 1/(26,0625+15√3)

Answer 2

 ((2+0, 5)x (2-0, 5) +2√3)²=  (2,5 x 1,5 +2√3)²=  (3,75 +2√3)²