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Mathematics 8 Online
OpenStudy (anonymous):

Evaluate the indefinite integral. (Remember to use ln |u| where appropriate.) http://www.webassign.net/cgi-bin/symimage.cgi?expr=int%20x%2A%2A%2811%29%2F%28x%2A%2A%2812%29%20%2B%204%29text%28%20%29%20dx

OpenStudy (anonymous):

this one is hard please help

OpenStudy (mathteacher1729):

This is a prime candidate for a u-substitution. :)

OpenStudy (anonymous):

can you give me step to the answers?

OpenStudy (mathteacher1729):

I can give you hints. How far were you able to get before you got stuck?

OpenStudy (anonymous):

du=(11x^10)/(12x^11+4)

OpenStudy (anonymous):

hello?

OpenStudy (anonymous):

1/12ln(x^12+4)+C

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