(a)
To find :
(a)
Answer to Problem 4QQ
Explanation of Solution
Given information :
A curve
Formula needed :
Differentiate
Further simplifying.
Hence,
(b)
To find : the equation of tangent line at
(b)
Answer to Problem 4QQ
The equation of tangent line at point
The equation of tangent line at point
Explanation of Solution
Given information :
A curve
Formula needed :
Equation of tangent line is
Substitute
Thus, the points of contact are
Substitute
Plug the value of
Plug the value of
So, the equation of tangent line at point
Substitute
Plug the value of
Plug the value of
So, the equation of tangent line at point
(c)
To find : the
(c)
Answer to Problem 4QQ
There are two
Explanation of Solution
Given information :
A curve
Formula needed :
Tangent line is vertical implies
From above
Simplifying further,
Either
So, either
Substitute
Hence, the value of
There are two
Chapter 3 Solutions
CALCULUS-W/XL ACCESS
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