Definition

It is list of numbers which have a common difference For example,

  • 1,3,5,7,9…
  • 13,7,11… These can either be finite or infinite

General Form of AP

Formulae

Finding the common diff

Finding nth term

Finding the sum for first n terms

Finding the sum of n terms if the AP is finite and l is the last term

Finding the sum of first n positive integers

Finding the sum of first n positive odd integers

Finding the sum of first n positive even integers


Backlinks

Maths


Flashcards

Formula for finding the sum of n terms? ?

Formula for finding the sum of n terms if the AP is finite and l is the last term? ?

Formula for finding the sum of first n positive integers ?

Formula for finding the sum of first n positive odd integers ?

Formula for finding the sum of first n positive even integers