October 13, 2015

Homework Help: Maths

Posted by Hannah on Monday, November 1, 2010 at 4:16pm.

if f(x) = 2x - x ln x

show that f(e^3) = -e^3
I know you have to substitute e^3 into the function, so Ive sone ths so far:

2e^3 - e^3 ln e^3
What is the next step?

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