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Apply int.(uv) formula following 
ILATE rule
0 0 0
but i was not getting the answer
give me some tym.i l try to ans. it soon
are u stuck in this step,arctan(x)/x-int/(1/1+x^2)(1/x).dx
then for the integration of 1/1+x^2(1/x),use partial fractions....
if u have any dout again ask me......
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