Let P ( 2 3 7 , 6 7 ), Q, R and S be four points on the ellipse 9x^2+4y^2=36. Let PQ and RS be mutually...

Question

Let P ( 2 3 7 , 6 7 ), Q, R and S be four points on the ellipse 9x^2+4y^2=36. Let PQ and RS be mutually perpendicular and pass through the origin. If 1 (PQ)^2 + 1 (RS)^2 = P q , where p and q are coprime, then p + q is equal to

Accepted Answer

(D)

JEE Main 2023 Mathematics question

Solution