Question

$a {}^{4} - b {}^{4}$
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Answer 1

Step-by-step explanation:

a⁴-b⁴

(a²)²-(b²)²

identity - (a-b)²=a²+b²-2ab

a=a²,b=b²

a²+b² (a+b)(a-b)

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Answer 2

Answer:

(a

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

this is the ans. hope it will help u