Evaluate the indefinite integral. (use C for the constant of integration.) 2x + 1 dx = x2 + 1x - 56Evaluate the indefinite integral. -1 sin(x) cos(x) dx = (Use C for the constant of integration.)Evaluate the indefinite integrals using Substitution. (use C for the constant of integration.) a V5 - 2t dt = 1 b ) dt = 5 - 2t