# Differential Equations

##### Video Lessons & Revision Notes

Differential Equation : Introduction and Variable Separable Type
1. Differential Equation : Introduction and Variable Separable Type
In this 50 mins Video Lesson
Introduction to DE, Ordinary DE, Partial DE, Order, Degree, Formation of DE, Variable Separable DE, Concept of Particular and General Solution, Solving by Substitution, and other topics.
Differential Equation: Reducible to Variable Separable Type
2. Differential Equation: Reducible to Variable Separable Type
In this 24 mins Video Lesson
Homogeneous DE, Type dy/dx=(a1x+b1y+c1)/(a2x+b2y+c2), Type dy/dx=[K1(ax+by)+c1]/[K2(ax+by)+c2], and other topics.
Differential Equation: Linear Type
3. Differential Equation: Linear Type
In this 36 mins Video Lesson
First Order Linear DE, Solution of First Order Linear DE, DE of type f'(y)dy/dx + P(x)f(y) = Q(x), Bernoulli's Equation, and other topics.
Differential Equation: Exact Type
4. Differential Equation: Exact Type
In this 65 mins Video Lesson
Exact DE and Concept of Potential Function, Test for Exactness, Types of DEs Reducible to Exact form, and other topics.
Differential Equation: Solving a general DE
5. Differential Equation: Solving a general DE
In this 39 mins Video Lesson
Steps for Solving a general First Order DE, DE of Type dU(x,y) = dV(x,y), and other topics.

### Revision Notes

Differential Equation of first order and first degree. Exact differential equations, Equations reducible to exact equations by integrating factors.

Linear differential equations, equation reducible to linear form, Bernoulli’s equation.