Homework Help: Math

Posted by Kevin on Saturday, March 16, 2013 at 11:54am.

Evaluate the following indefinite integrals.
Show all steps please

A) ∫xe^x^2+10 dx
b) ∫(1/2x+x)(ln(x)+x^2)^10 dx

Math - Reiny, Saturday, March 16, 2013 at 12:33pm
done yesterday

http://www.jiskha.com/display.cgi?id=1363367296
Math - Kevin, Saturday, March 16, 2013 at 12:49pm
the first one is on the link, but not the second one
Math - Reiny, Saturday, March 16, 2013 at 2:49pm
hint:
let's differentiate ( lnx + x^2)^11

we would get
11 (lnx + x^2)^10 ( 1/x + 2x)
= 11( lnx + x^2)^10 (2)( 1/(2x) + x)

= (11/2) ( 1/(2x) + x) (lnx + x^2)^10

mmmmhhh?

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