Question

if x2+y2=0, then x99+y99=?​

Answer 1

Step-by-step explanation:

2x+2y=0 this, can be written as:

2 (x+y)=0, I.e. x+y=0…. (1)

Keeping (1) in mind and solvinf the second equation given in the question:

99x+99y , I.e. 99 (x+y)…. (2)

Using (1) in (2):

99 (0)

0…. (3)

From (3) it's clear that:

99x+99y is also equal to 0.