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\fFind the indefinite integral and check the result by differentiation. (Use (3 for the constant of integration.) 3 (4 + i) (i) {it t r2 Find the indefinite integral and check the result by differentiation. [Use C for the constant of integration.) [(4x2+ 1 )dx (4X12 Need Help? _' ] Find the general solution of the differential equation. (Use C for the constant of integration.) 2 Chi 2x dx \\2". 2 + X3 Find the general solution of the differential equation. (Use C for the constant of integration.) _ 2 dy 12 9x dx V'Ix3 4X + 8