#### Mathematics (NTSE/Olympiad)

# Polynomial

__Examples to Find H.C.F. and L.C.M using formulas__

**Algebra** is that branch of mathematics which treats the relation of numbers. In algebra, two types of symbols are used: **constants** and **variable** (literals).

**What is a Constant :**

It is a symbol whose value always remains the same, whatever the situation be. For example: 5, –9, 5/2 , π, , etc.

**What is a Variable** : It is a symbol whose value changes according to the situation. For example : x, y, z, ax, a + x, 5y, – 7x, etc.