1.If xcosα+ysinα=px\cos\alpha+y\sin\alpha=pxcosα+ysinα=p is the common chord of x2+y2=a2x^2+y^2=a^2x2+y2=a2 and x2+y2=b2x^2+y^2=b^2x2+y2=b2 (a>ba>ba>b), then AP=AP=AP=?a.a2+p2+b2+p2\sqrt{a^2+p^2}+\sqrt{b^2+p^2}a2+p2+b2+p2b.a2−p2+b2−p2\sqrt{a^2-p^2}+\sqrt{b^2-p^2}a2−p2+b2−p2c.a2−p2−b2−p2\sqrt{a^2-p^2}-\sqrt{b^2-p^2}a2−p2−b2−p2d.a2+p2−b2+p2\sqrt{a^2+p^2}-\sqrt{b^2+p^2}a2+p2−b2+p2Login to continueOnly logged in users canattempt or see the solution.
