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Mathematics 4 Online
OpenStudy (anonymous):

integrate by substitution x/(x+3) dx ; u=x+3

OpenStudy (anonymous):

x= u-3 du = dx so integral becomes.. (u-3)/u du

OpenStudy (anonymous):

how do i integrate it then? >< i still dont get it...

OpenStudy (anonymous):

it is a simple question... you can solve it with out substitution... otherwise substitution will be like i have written above...

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