What is the value of ( int_0^ frac{1}{(1+x^4 )} dx )?

1.	What is the value of ( int_0^ frac{1}{(1+x^4 )} dx )?
A.	( frac{ sqrt{2} pi}{4} )
B.	( frac{ sqrt{3} pi}{6} )
C.	( frac{ sqrt{2} pi}{6} )
D.	( frac{ sqrt{3} pi}{4} )
Answer» B. ( frac{ sqrt{3} pi}{6} )

Discussion

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