Question

4. Factorise.
(1) a^4 - b^4​

Answer 1

Answer:

a⁴-b⁴

(a²)²-(b²)²

(a²+b²)(a²-b²)

(a²+b²){(a)²-(b)²}

(a²+b²)(a+b)(a-b)

Step-by-step explanation:

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