Question

the equation of the chord of contact of tangents from (2,1) to the hyperbola $\frac{x^2}{16}-\frac{y^2}{9}=1$ is

• A. 9x-8y-72=0
• B. 9x+8y+72=0
• C. 8x-9y-72=0
• D. 8x+9y+72=0

Answer 1

Answer: (A)

9x-8y-72=0

Answer 2

The correct option is (A): 9x-8y-72=0