Posted by **mary** on Wednesday, November 19, 2008 at 10:30am.

find the first and second derivatives of

(Ax^2+Bx+c)e^(3x)

should i distribute e^3x into the prenthesis? or is there an easy way....

b/c when i distribute it i get a long answer.....

for

i get

yp'=2Axe^3x+e^3xAx^2+Be^3x+e^3xBx+e^3x+ce^3x

is that correct...please help me....

thanks for ALLL YOUR generous help :)

- derivative -
**drwls**, Wednesday, November 19, 2008 at 10:36am
You could distribute it or use the product rule. The result should be the same. It looks like you made a mistake differentiating e^3x. The answer should be 3 e^3x

- derivative -
**mary**, Wednesday, November 19, 2008 at 10:48am
o i see...thats correct...thanks so much...

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