A hyperbola passes through the point and has foci at . Then the tangent to this hyperbola at P also passes through the point :
- (A)
- (B)
- (C)✓ Correct
- (D)
Answer: (C)
Solution
With foci we have . Forcing onto with leads to , so and (the root gives a negative ). The hyperbola is , and its tangent at is . Testing gives , so the tangent indeed passes through .
JEE Main · 2017 · 02 Apr 2017 · Offline · Single correct option