(m+n)2 = m2 + mn + n2, (2 + х)2 = 4 + 4х + х2, (1 +р)2 = 12+ 2р (2m + 5n)2 = 2m2+20mn +...

Question

(m+n)2 = m2 + mn + n2, (2 + х)2 = 4 + 4х + х2, (1 +р)2 = 12+ 2р (2m + 5n)2 = 2m2+20mn + 10n2. Найти ошибку

Answer 1

Объяснение:

(1+p)2=2+p+2p

(2m+5n)2=4m+10nm+10n