Question

Решите 2 пример
( 2 целых 1/3)^-х^2-2х+3=1

Answer 1

(2 1/3)^-x^2-2x+3=(2 1/3)^0
-x^2-2x+3=0
x^2+2x-3=0
D/4=1+3=4
x1=-1-2=-3
x2=-1+2=1