CONTENTS:-
1. DIFFERENTIAL EQUATIONS OF FIRST ORDER AND FIRST DEGREE, 2. DIFFERENTIAL EQUATIONS OF FIRST ORDER BUT NOT OF FIRST DEGREE, 3. LINEAR DIFFERENTIAL EQUATIONS WITH CONSTANT COEFFICIENTS, 4. ORDINARY SIMULATANEOUS DIFFERENTIAL EQUATIONS, 5. DIFFERENTIAL EQUATIONS OF SECOND ORDER WITH VARIABLE COEFFICENTS, 6. TOTAL DIFFERENTIAL EQUATIONS, 7. PARTIAL DIFFERENTIAL EQUATIONS OF THE FIRST ORDER
