Question

if X + Y equal to 8 and x y equals to 15 find X square + Y square​

Answer 1

232 can be the answer but plz verify

Answer 2

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

=> (8)^2 - 2 (15)

=> 64 - 30

(x^2 + y^2) = 34

#Hassan