Answer:
The equation of tangent plane to the hyperboloid
.
Step-by-step explanation:
Given
The equation of ellipsoid

The equation of tangent plane at the point 
( Given)
The equation of hyperboloid

F(x,y,z)=


The equation of tangent plane at point 

The equation of tangent plane to the hyperboloid

The equation of tangent plane

Hence, the required equation of tangent plane to the hyperboloid
