Step 1:
\The equation is and the point is
.
Consider .
Differentiate on each side with respect to .
Slope of the tangent line at .
Slope of the tangent line is .
Step 2:
\Point slope form of line equation is .
Substitute and
in the above equation.
Tangent line is .
Normal line is perpendicular to tangent line then
\slope of tangent line*slope of normal line is equal to .
Point slope form of line equation is .
Substitute and
in the above equation.
Normal line equation is .
Step 3:
\Equation of circle with center and radius
is
.
Differentiate on each side with respect to .
Substitute .
Substitute in the above equation.
Step 4:
\Substitute in the circle equation
Circle passes through the point .
Roots of the quadratic equation is .
Then,
\Therefore and
.
Substitute in
.
Substitute in
.
.
Step 5:
\Graph:
\Graph both the circle equations, curve and tangent line.
\