I am familiar with the equation, but I am having trouble working out the entire answer.
"Differentiate using the Product Rule":
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This is what I have so far...
I'm not too sure where to go after that.
I try to get the LCD, but I keep on coming up with the wrong answer.
Originally Posted by cynlix This is what I have so far...
= Mr F says: This should either be or . Everything that followed will be wrong.
[snip] Putting 1 for the derivative of was a particularly bad mistake.
if your answer is (7/2)(t^5/2)+6t^1/2
then I have the answer
so theproduct rule = (t^1/3)(2t) + (t^2+4)(1/3)t^(-2/3)
= 2t^(4/3) + 1/3t^(4/3) + 4/3t^(-2/3)
=7/3t^(4/3) + 4/3t^(-2/3)
hope this helps!
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