The curve is \ \
Differentiate on each side with respect to . \ \
\ \
Apply product rule in derivatives \ \
\ \
\ \
is slope of the tangent line. \ \
The tangent line is parallel to \ \
Write the equation in slope intercept form
, where
is slope and
is
-intercept.
\ \
\ \
\ \
\ \
Using the - value find the corresponding
- value with the curve. \ \
Therefore tangent point is \ \
Find the tangent line equation, substitute the values of and
in the slope intercept form of an equation
.
Substitute and
in
.
\ \
Solution :
\Tangent line is .