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 August 28th, 2008, 07:33 AM #1 Newbie   Joined: Aug 2008 Posts: 5 Thanks: 0 Differentiation exam paper question Would anyone be so kind to answer this. i've done it twice but am not convinced. Differentiate the following with repect to t e^3t ln4t (e as in exponential) give answer as a product of the factor e^3t
 August 28th, 2008, 07:47 AM #2 Guest   Joined: Posts: n/a Thanks: Re: Differentiation exam paper question Product rule: $e^{3t}ln(4t)$ $e^{3t}\cdot \frac{1}{t}+ln(4t)\cdot 3e^{3t}$ Now, factor.
 August 28th, 2008, 10:55 AM #3 Newbie   Joined: Aug 2008 Posts: 5 Thanks: 0 Re: Differentiation exam paper question Nope, not seeing it yet. Any more suggestions?
 August 29th, 2008, 02:48 AM #4 Global Moderator   Joined: Dec 2006 Posts: 19,732 Thanks: 1810 Read about the Chain rule and the Product rule, which were used above to obtain the derivative.
August 29th, 2008, 12:58 PM   #5
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Re: Differentiation exam paper question

Quote:
 i've done it twice but am not convinced
.

Perhaps if you would be so kind as to show what you have done, we could see where you went wrong.

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