Question

factorise the following using suitable identities a⁴-16b⁴​

Answer 1

Step-by-step explanation:

a⁴-16b⁴

= (a²)²- (4b²)²

we know that a²-b² = (a+b)(a-b)

so similarly,

= (a²+4b²)(a²-4b²)

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