Question

please help me to integrate this one :

Answer 1

\[\int\limits \frac{x^4+3}{x^2+1} dx\]

Answer 2

hint
x^4 +3 = x^4 -1 +4

Answer 3

(x^4 +3 )/( x^2+1) = (x^4 -1 +4 )/( x^2+1)
= (( x^2+1)*( x^2-1)) + 4 )/( x^2+1)
= ( x^2-1) + 4/( x^2+1)

Answer 4

i hope u can do further....

Answer 5

yes i think so ... thanks for your help. @matricked

Answer 6

yw