Factorize the expression: $a^4-b^4$.

Given: The expression: $a^4-b^4$.

To do: To factorize the expression: $a^4-b^4$.

Solution:

As given  $a^4-b^4$ 

$=( a^2)^2-(b^2)^2$ 

$=( a^2-b^2) ( a^2+b^2)$ 

$=( a-b)( a+b)( a^2+b^2)$

Updated on: 10-Oct-2022

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