Question

докажите тождество (m

Answer 1

(m-2/m+2-m+2/m-2):8m/m²-4+1-m/1-3m=2m/1-3m
(m-2)²-(m+2)²/m²-4*m²-4/8m=2m-1+m/1-3m
-8m/8m=3m-1/-(3m-1)
-1=-1