Let and , where be two points on the hyperbola . If is the point of the intersection of the normals to the hyperbola at and , then is equal to
Answer: 36
Solution
Write as , so . The normal at is . With , . The two normals give and . Subtracting eliminates : . Hence .
JEE Main · 2021 · 27 Aug 2021 · Shift 2 · Integer answer