Решите пожалуйстаҚ
((m-2)/(m+2))-((m+2)/(m-2))
Решите задачу:
((m-2)/(m+2))-((m+2)/(m-2))=
(m-2)2 – (m+2)2 = (m2 - 2*2*m+ 22) – (m2 + 2*2*m + 22) = m2 - 4m + 4 –m2 – 4m - 4=
(m+2)(m-2) m2 – 4 m2 – 4
-8m
m2 - 4