[1.2 solutions]: Definite integrals & IVPs

[1.3 solutions]: First-order separable equations

[1.4 solutions]: Direction fields

[1.6 solutions]: First-order linear equations

[1.8 solutions]: Growth and decay / air resistance

[1.9 solutions]: Mixing problems

[2.1 solutions]: Second-order linear equations

[2.2 solutions]: IVPs for homogeneous problems

[2.3 solutions]: Reduction of order

[2.4 solutions]: Second-order equations with constant coefficients

[2.5 solutions]: Mechanical vibrations (no damping)

[2.5 solutions]: Mechanical vibrations (with damping)