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integral of  [e^(arctanx)] / [1 + x²]²


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integral of  [e^(arctanx)] / [1 + x²]²
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use the substitution u = arctanx or x = tan u
change to sine and cosine functions and then use
the integral of [e^(ax) cosbx] ( integral of [e^(ax) cosbx]  )
answer and  some steps are given below
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other  problems on applications of integration like area ,volume etc
integration formulae

problems on integration






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