how to find derivative for: y = x^e * e^x

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- Mar 19th 2009, 01:17 PMalgebra2derivative
how to find derivative for: y = x^e * e^x

- Mar 19th 2009, 01:27 PMe^(i*pi)
- Mar 19th 2009, 03:51 PMalgebra2
l used the product rule and got the same answer as you, but the answer is suppose to be

is there a way to get this - Mar 19th 2009, 04:47 PMHallsofIvy
e^(i*pi) gave you . Now factor out an additional : so .

- Mar 19th 2009, 06:08 PMalgebra2
how do you factor out x^(e-1) when there is only one x^(e-1), the other is x^e ======>

wouldn't it have to be in order to write it as

so how do you make (which is equal to ) into in order to write it as the answer given - Mar 20th 2009, 05:33 AMstapel