Question

Two perpendicular tangents to the circle $x^2+y^2=a^2$ meet at $P$. Then the locus of $P$ has the equation-

• A. $x^2+y^2=2a^2$
• B. $x^2+y^2=3a^2$
• C. $x^2+y^2=4a^2$
• D. None of these

Answer 1

Answer: (A)

Locus in director circle