Formulas to Remember
Here are some more formulae and equations related to the given formulae:
Arithmetic Progression (AP)
- The n-th term of an AP whose first term is a and the common difference is d is given by:
- The sum of the first n terms of an AP is given by:
Geometric Progression (GP)
- The n-th term of a GP whose first term is a and the common ratio is r is given by:
- The sum of the first n terms of a GP is given by:
Harmonic Progression (HP)
- The n-th term of an HP whose first term is a and the common difference is d is given by:
- The sum of the first n terms of an HP is given by:
Sum of squares of first n natural numbers
Sum of cubes of first n natural numbers
Binomial Theorem
Pascal’s Triangle
Sum of n terms of an arithmetic-geometric series
Sum of n terms of an alternating harmonic series
