`int(x^5+3x^4-x^3+8x^2-x+8)/(x^2+1)dx`

Evaluate: (i) int(5x^(2) + 2x^(-5) - 7x + 1/(sqrt(x)) +5/x) dx (ii) int(3sinx - 4 cosx + 5 sec^(2) x - 2cosec^(2)x) dx (iii) int(1-x)(2+3x)(5-4x)dx (iv) int((3x^(4) - 5x^(3) + 4x^(2) -x + 2)/(x^(3)))dx , (v) int(x^(2) + 1/(x^(2)))^(3) dx

Integration of rational functions int(5x^(3)+9x^(2)-22x-8)/(x^(3)-4x) dx

Divide 3x^(4)-5x^(3)-2x^2-8x+3 by x^(2)+5x+3

int(1)/(3x^(2)-8)dx

int(3+8x)/(4x^2+3x+1)dx=?

int(x^3dx)/(1+x^8) =?

int(x^3)/((1+x^8)) dx

int(4x^(5)-7x^(4)+8x^(3)-2x^(2)+4x-7)/(x^(2)(x^(2)+1)^(2))dx

int_(-pi/2)^(pi/2) sin^(8) x (6x^(7)-4x^(5)+3x^(3)+2x) dx =