Evaluate the integral. (Use C for the constant of integration.) 21 dx (1 - x2)3/2 Need Help? Watch It 11. [-/1 Points] DETAILS SCALC8 7.5.509.XP. Evaluate the integral. (Remember to use absolute values where appropriate. Use C for the constant of integration.) 3x2 - 2 dx x2 - 4x - 12 12. [-/1 Points] DETAILS SCALC8 7.5.511.XP. Evaluate the integral. (Use C for the constant of integration.) V 2x - 4 dx 2x + 5