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December 22, 2014

December 22, 2014

Posted by **Anonymous** on Wednesday, January 25, 2012 at 2:16am.

without using logarithmic differentiation!

- collge calculus -
**drwls**, Wednesday, January 25, 2012 at 7:19am1/10^e is a constant that you can leave in that form, as a multiplier of the derivative.

Use the product rule for the rest.

For the derivative of 4^7x, let 7x = u

d/dx 4^(7x) = d/du 4^u * d(7x)/dx

= 4^u * ln4 * 7

= 7 ln4 * 4^(7x)

d/dx 7^(4x) = 4 ln7* 7^(4x)

Put it all together

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