Question

The chord of contact of (2,1) w.R.T to the circle x^2+y^2+4x+4y+1=0 is

Answer 1

$2(x + y + 2x + 2y + 1) = 0 \\ 3x + 3y + 1 = 0 \\ 3(x + y) + 1 = 0 \\ x + y = 1$

pls mark as the brainlist...

Answer 2

hello

2(x+y+2x+2y+1)=0

3x+3y+1=0

3(x+y)+1=0

x+y=1