Not equal(≠) symbol in LaTeX

Symbol/Unicode Not equal/U+2260
Type of symbol Inequality
Package (requirement) No
Argument No
Latex command \ne
Example \ne → ≠

The most popular symbol used in mathematics is “not equal”. In Latex, you need to use \ne command for this symbol, you can also use \neq command.

   $$ a \ne b $$
   $$ \cos x \ne \sin x $$
   % Use \neq command 
   $$ 5 \neq 3 $$
   $$ x^2 + 1 \neq y^2 + 1 $$

Output :

Use not equal symbol in latex.

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