What is the antiderivative of #9/x^3#? Calculus Introduction to Integration Integrals of Rational Functions 1 Answer ali ergin Jul 7, 2016 #int 9/x^3 d x=-9/(2x^2)+C# Explanation: #int 9/x^3 d x# #int 9/x^3 d x=9 int (d x)/x^3# #int 9/x^3 d x=9 int x^(-3) d x# #"now use power rule"# #int 9/x^3 d x=9 [1/(-3+1)x^(-3+1)]# #int 9/x^3 d x=9[-1/2x^(-2)]# #int 9/x^3 d x=-9/2*1/x^2# #int 9/x^3 d x=-9/(2x^2)+C# Answer link Related questions How do you integrate #(x+1)/(x^2+2x+1)#? How do you integrate #x/(1+x^4)#? How do you integrate #dx / (2sqrt(x) + 2x#? What is the integration of #1/x#? How do you integrate #(1+x)/(1-x)#? How do you integrate #(2x^3-3x^2+x+1)/(-2x+1)#? How do you find integral of #((secxtanx)/(secx-1))dx#? How do you integrate #(6x^5 -2x^4 + 3x^3 + x^2 - x-2)/x^3#? How do you integrate #((4x^2-1)^2)/x^3dx #? How do you integrate #(x+3) / sqrt(x) dx#? See all questions in Integrals of Rational Functions Impact of this question 3005 views around the world You can reuse this answer Creative Commons License