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Factorise m4n-81n5. factorise the sum |
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Answer» n(m+3n)(m-3n)(m2+9n2) Step-by-step explanation: LET the GIVEN equation m4n-81n5 be written as =m4n-81n5 =n(m4-81n4) =n/(m2)2-(9n2)2/ =n(m2-9n2)(m2+9n2) =n(m-3n)(m+3n)(m2+9n3) |
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