(4m + 5n)*2 + (5m + 4n)*2

Asked by amansikandar558 | 11th Dec, 2019, 04:43: PM

Expert Answer:

(4m + 5n)2 + (5m + 4n)2
= 16m2 + 25n2 + 40mn + 25m2 + 16n2 + 40mn    ... since  (a + b)2  = a2 + 2ab + b2 
= 41m2 + 41n2 + 80mn

Answered by Yasmeen Khan | 11th Dec, 2019, 07:18: PM