Question

dy if x² + y² = 16.
(a) Find
,​

Answer 1

Answer:

find what?

x²+y²=4²

so

X=4²-y²

and y=4²-x²

Answer 2

Answer:

Hello yuvi ( my nick name )

x^2 + y^2 = 16

(x+y)^2 = 4^2

Square root on both sides

(x+y) = 4