Hello,
Where r is the radius and h the height.
You're looking for
By using the multiplication rule, you have :
From the text, we know that
So it should give you :
Hello,
I am having a hard time solving this problem. I have no clue. None whatsover. Thanks in advance for your help.
Volume & Surface Area
The radius of a right circular cone is increasing at a rate of 6 inches per minute, and the height is decreasing at a rate of 4 inches per minute. What are the rates of change of the volume and surface area when radius is 12 inches and height is 36 inches?
Are you needing reminders on how to take a derivative in general or how to take a partial derivative? With partial derivatives you want to take the derivative in the respect to the variable in question. An example would be like
in respect of x would be
Check out some rules online if your still a bit confused on it