Question

if 4x^2 +y^2=40 and xy=6 , then find the value of 2x+y

Answer 1

hlo

i think u have put values wrong .

Answer 2

Answer:we have,

(2x+y)^2=(2x)^2+y^2+2×2x×y

=(4x^2+y ^2)+4xy

=40+4×6

(2x+y)^2 =64

2x+y=(8)^2

2x+y = +or_8

Step-by-step explanation: