Answer:
28
Step-by-step explanation:
For a given
in the interval [0, 1], the corresponding cross-section is a semicircle with diameter
, so the area of the cross-section would be
.
The volume of the solid is then

I think you meant, if a = 0.
If a = 0, then,
a³ = 0³
a³ = 0 × 0 × 0
<u>a³ = 0</u>
- Any number multiplied by 0 is 0.