+3 votes
in JEE by kratos

If

l = 2/π∫dx/ (1+esinx)(2-cos2x) ; x∈ (-π/4→π/4) than 27 l2 equals ____

1 Answer

+2 votes
by kratos
 
Best answer

If

l = 2/π∫dx/ (1+esinx)(2-cos2x) ; x∈ (π/4,-π/4) than 27 l2 equals ____

...