Numerical Solution of Linear Differential Equations
Numerical solutions to equations
Permutations and Combinations
Polar Coordinates and Curves
Prior Knowledge
Probability
Proof by Mathematical Induction
Quadratics
Rational Expressions
Rational functions
Representing Data
Roots of Polynomial Equations
Second Order Linear Differential Equations
Sequences and Series
Series
Sets
Sketching Curves
Statics of a Particle
Statistical Approximations
Statistics
The Normal Distribution
Trigonometry
Vectors
Work, Energy and Power
One common question is to find the first term a, and the common difference d given any two terms in an arithmetic progression. In this example I show you how to handle this type of question.