## Diagonal Matrix : Definition, Inverse, Properties, Examples, Anti

Generally, a matrix in which all the elements, except “Leading Diagonal” are ZERO is called the Diagonal Matrix(DM). And of course, it is mandatory that, the matrix should be a Square Matrix of order n×n. If the matrix is not square. Then the Leading Diagonal is not the diagonal of the matrix. In short, this … Read more

## Number System class 9 exercise 1.1

NCERT solution for MATHS class 9 NUMBER SYSTEM chapter 1 Exercise-1.1 Is zero a rational number? Can you write it in the form p/q, where p and q are integers and q ≠ 0? Answer: Earlier, We know that a number is said to be rational if it can be written in the form p/q, … Read more

## Easy Number System (Class 9th Maths-NCERT-Chapter-1)

Introduction to Number system: In Number system, Numbers that can be represented on number line are called real numbers. Real Numbers are the combination of Rational and Irrational numbers. Real numbers can be classified as Natural Numbers, Whole Numbers, Integers etc. -By Mohammad Al Saif We will discuss about Natural Numbers, Whole Numbers, Integers, Rational … Read more