Let B be the centre of the circle x^2+y^2-2x+4y+1=0. Let the tangents at two points P and Q on the circle...

Question

Let B be the centre of the circle x^2+y^2-2x+4y+1=0. Let the tangents at two points P and Q on the circle intersect at the point A(3, 1). Then 8 ( area APQ area BPQ ) is equal to_______.

Accepted Answer

18

JEE Main 2021 Mathematics question

Solution