Answer:
or
Step-by-step explanation:
Given
Required
The volume of the solid formed
Rotating about the x-axis.
Using the washer method to calculate the volume, we have:
Integrate
Substitute values for a, b, f(x) and g(x)
Evaluate the exponents
Simplify like terms
Factor out 8
Substitute 2 and 0 for x, respectively
Take LCM
Simplify
2- B
3- A
1.85 Tons
4.15 minus 2.3 equals 1.85