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.
Follow Math Help Forum on Facebook and Google+
Originally Posted by gearshifter 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. Rearranging gives: Now substitute the second one into the first one and you're home dry!
I got: (-4h^3+125h)/75 as my final answer. Would anybody know if it is correct?
We know that: and Therefore: hmm, I can't actually see a way of cancelling it down from here, can you post your working?
View Tag Cloud