Posted by **Anonymous** on Saturday, December 22, 2012 at 1:16pm.

integrate 2^(3x). 3^(2x) . 5^(x) dx

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**Steve**, Saturday, December 22, 2012 at 2:49pm
∫a^(cx) dx = 1/(c lna) a^x

now just use the product rule

- maths -
**Steve**, Saturday, December 22, 2012 at 5:43pm
oops. how could I have mixed up derivatives with integrals? There is no product rule.

However, we do have 8^x * 9^x * 5^x = 360^x

which should be easy to do, no?

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