JEE Main 2019 Mathematics question
If the eccentricity of the standard hyperbola passing through the point (4, 6) is 2, then the equation of the tangent to the hyperbola at (4, 6) is:
Answer: (A)
Solution
; through (4, 6): , ; tangent .
If the eccentricity of the standard hyperbola passing through the point (4, 6) is 2, then the equation of the tangent to the hyperbola at (4, 6) is:
; through (4, 6): , ; tangent .