Factorise: m4 – n4 find the answer answer for me fast
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Step-by-step explanation:
m4 - n4 = (m²)² - (n²)² a² - b² = (a + b)(a - b)
= (m² + n²)(m² - n²) a² - b² = (a + b)(a - b)
= (m² + n²)(m + n)(m - n)
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