Question

factorise the following: m^4-n^4​

Answer 1

Answer:

Using a^2-b^2=(a-b)(a+b)

Explanation:

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Answer 2

Answer:

${m}^{4} - {n}^{4} \\ ({m}^{2}) {}^{2} - ({n}^{2} ) {}^{2} \\ ({ {m}^{2} + {n}^{2} }) \: \: ( {m}^{2} - {n}^{2} ) \\ ({ {m}^{2} + {n}^{2} }) (m + n) \: (m - n)$