What’s the Volume of a sphere when radius is 8
1 answer:
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<h3>Answer: Choice E</h3>
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Explanation:
Think of 25 as 25/1 and 5 as 5/1
Choice E is really saying which becomes
. Note the second fraction flips and we change to a multiplication sign.
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Or you could think of it like this:
to help see why the answer is E.
If there is some scalar function 
such that
then we want to find
such that
So the vector field
is conservative, which means the fundamental theorem applies; the line integral of 
along any path 
parameterized by some vector-valued function 
over 
is given by
In this case,
then we want to find
So the vector field
In this case,