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(a+b)<sup>3</sup>=a<sup>3</sup>+b<sup>3</sup>+3ab (a+b)<br>
a<sup>4</sup>-b<sup>4</sup>=(a+b)(a-b)(a<sup>2</sup>+b<sup></sup>
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(a+b) ³=a³+b³+3ab(a+b)
a⁴-b⁴=(a+b) (a-b) (a²+b²)
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Explanation:Just for fun
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