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Mathematics
OpenStudy (anonymous):

calculus ..

OpenStudy (anonymous):

|dw:1380717935952:dw|

OpenStudy (amistre64):

the top is almost the derivative of the bottom ... multiply by 2/2 to ln it up

OpenStudy (amistre64):

.. but what is your question :)

OpenStudy (anonymous):

integrate ..it its a part of big summ

OpenStudy (amistre64):

if we hassle thru the u substituions .... \[u = v^2+2v-1\] \[du = 2v+2~dv\] \[\frac{1}{2}du = v+1~dv\]

OpenStudy (amistre64):

\[\frac12\int\frac1u~du\]

OpenStudy (anonymous):

kkgot u thanku sir ...^_^

OpenStudy (amistre64):

youre welcome

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