Question

Step by step factorise a^4-b^4​

Answer 1

Answer:

$a ^{4} - {b}^{4}$

$={(a^2)}^{2}-{(b^2)}^{2}$

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

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

Step-by-step explanation:

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