Flag Integral Calculus> can this equation be integrate?...
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chua kok tong , 14 Years ago
Grade Upto college level
anser 2 Answers
vikas askiitian expert

Last Activity: 14 Years ago

I= dx/[ a2 sec2x + b2 ]

 =sec2xdx/(sec2x)[ a2tan2x +a2 +b2 ]                                 (multiplying sividing by sec2x1+

 =sec2xdx/a(1+tan2x)[ tan2x + (a2 +b2 /a2) ]

put tanx =t

   sec2xdx =dt

after substituting these

 I=dt/a(1+t2)[t2 + (a2 +b2 /a2 ) ]

now integrate by using partial fraction & get ur ans

Aniket Patra

Last Activity: 14 Years ago

Check its derivative w.r.t to x...

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