To find: the length of each edge of the cube.
Answer to Problem 39E
The length of each edge is E-
Explanation of Solution
Given information :
A is the surface area of the cube.
Assume all variables are differentiable function of t .
Calculation:
We have to find the length of each edge of the cube.
Therefore,
Surface area of a cube-
Differentiate with respect to t .
Putting the value of
Again,
Volume of a cube is
Differentiate with respect to t .
Putting the value of
Hence, the length of each edge is E-
Chapter 5 Solutions
Calculus: Graphical, Numerical, Algebraic
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