What is the antiderivative of # x/(x^2+1)#?

Related questions

• How do I find the integral #int(x*ln(x))dx# ?
• How do I find the integral #int(cos(x)/e^x)dx# ?
• How do I find the integral #int(x*cos(5x))dx# ?
• How do I find the integral #int(x*e^-x)dx# ?
• How do I find the integral #int(x^2*sin(pix))dx# ?
• How do I find the integral #intln(2x+1)dx# ?
• How do I find the integral #intsin^-1(x)dx# ?
• How do I find the integral #intarctan(4x)dx# ?
• How do I find the integral #intx^5*ln(x)dx# ?
• How do I find the integral #intx*2^xdx# ?