int((x^(3)-1))/((x^(4)+1)(x+1))dx," is : "

int((x^(3)-1)dx)/(x^(4)

int((x^(3)-1)dx)/(x^(4))

int((x^(3)-1))/((x^(4)+1)(x+1))dx= a) 1/4ln(1+x^(4))+1/3ln(1+x^(3))+c b) 1/4ln(1+x^(4))-1/3ln(1+x^(3))+c c) 1/4ln(1+x^(4))-ln(1+x)+c d) 1/4ln(1+x^(4))+ln(1+x)+c

int(x^(3))/(x^(4)+1)dx

int((1+x)^(3))/(x^(4))dx

int (x^(1/3))/((1+x^(4/3))^(9))dx

int (x^(1/3))/((1+x^(4/3))^(9))dx

int((x-1)/(x+1))^(4)dx

int(x^(1/3))/((1+x^(4/3))^(3))dx

int(x^3dx)/((1+x^(4))