Ts Eamcet
Circle
TG EAPCET 2025 (Online) 4th May Morning Shift
MCQ+1 / -02025
The power of a point $(2,-1)$ with respect to a circle $C$ of radius 4 is 9 . The centre of the circle $C$ lies on the lines $x+y=0$ and in the 2nd quadrant. If ( $\alpha, \beta$ ) is the centre of the circle $C$ then $\beta-\alpha=$