Question

Line x + ay =1 cuts the circle x2 + y2 - 4x-2y +1 = 0 at two points A and B
such that Chord AB subtends an angle of 90' at origin then sum of
possible values of a is
-1
1
2
4​

Answer 1

Answer:

Hiiiii :)))

Step-by-step explanation:

How are youuuu??

Answer 2

pls mark brainliest......