Question

{ 40х4+6+2* ++40) ax. 4ox-​

Answer 1

Answer:

We have,

(2x+y)2=(2x)2+y2+2×2x×y

⇒(2x+y)2=(4x2+y2)+4xy

⇒(2x+y)2=40+4×6⇒(2x+y)2=64

⇒2x+y=±64⇒2x+y=±8