Solution:
The equation of tangent at (1, 7) to is
The perpendicular distance of Centre (-8, -6) to the line should be equal to the radius of the circle.
If the tangent at (1, 7) to the curve, touches the circle then the value of is
The equation of tangent at (1, 7) to is
The perpendicular distance of Centre (-8, -6) to the line should be equal to the radius of the circle.