Question

x^3+y^3=16
x^2+y^2=4
x+y=?with the process plz

Answer 1

Answer:

2

Step-by-step explanation:

x^3 + y^3 = 16

x^2 + y^2 = 4

x + y = ?

(x + y)^3 = 16 ----(i)

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

from equation (ii)

x + y = √4

x + y = 2

Therefore , x + y = 2