Question

calculus ..

Answer 1

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

Answer 2

.. but what is your question :)

Answer 3

integrate ..it its a part of big summ

Answer 4

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

Answer 5

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

Answer 6

kkgot u thanku sir ...^_^

Answer 7

youre welcome