Question

if x -y =3 and xy =8 , then find out the value of X+y wholesquare
pls tell using identities according to class 8
I'll mark u brainliest​

Answer 1

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

(x+y)^2= (3)^2 + 4×8

(x+y)^2= 9+32

(x+y)^2 = 41