V = (3-(r^2/3))h and h/(2-r) = 5/2

Write V as a function of H.

Simplify the function so that you can express it as a polynomial in H.

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- October 23rd 2008, 08:58 AMgearshifterV as a function of H
V = (3-(r^2/3))h and h/(2-r) = 5/2

Write V as a function of H.

Simplify the function so that you can express it as a polynomial in H. - October 23rd 2008, 11:42 AMShowcase_22
- October 23rd 2008, 07:24 PMgearshifter
I got:

(-4h^3+125h)/75

as my final answer.

Would anybody know if it is correct? - October 25th 2008, 06:28 AMShowcase_22
We know that:

and

Therefore:

hmm, I can't actually see a way of cancelling it down from here, can you post your working?