class 11

Math

Co-ordinate Geometry

Conic Sections

If P and Q are the points of intersection of the circles $x_{2}+y_{2}+3x+7y+2p5=0$and $x_{2}+y_{2}+2x+2yp_{2}=0$, then there is a circle passingthrough P, Q and $(1,1)$for

- all values of p
- all except one value of p
- all except two values of p
- exactly one value of p