A symbolic representation of a matrix is called symbol of a matrix.

A matrix is symbolically expressed by using two types of brackets.

1.

Square brackets are most commonly used to represent a matrix symbolically in matrices.

$\left[\right]$

The elements of the matrix are arranged in number of rows and number of columns within the square brackets to represent a matrix in mathematics symbolically.

**Example**

$\left[\right]$

2.

Alternatively, round brackets can also be used to represent a matrix symbolically in matrices.

$\left(\right)$

The elements of the matrix are displayed within the parentheses to represent a matrix symbolically by using round brackets.

**Example**

$\left(\right)$

Either of them can be used to represent a matrix symbolically in mathematics.

List of most recently solved mathematics problems.

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Evaluate $\displaystyle \large \lim_{x \,\to\, \tan^{-1}{3}} \normalsize {\dfrac{\tan^2{x}-2\tan{x}-3}{\tan^2{x}-4\tan{x}+3}}$

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Evaluate $\displaystyle \large \lim_{x \to 0} \normalsize \dfrac{e^{x^2}-\cos{x}}{x^2}$

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