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प्रश्न
Factorise the following by grouping the terms:
2m3 - 5n2 - 5m2n + 2mn
योग
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उत्तर
2m3 - 5n2 - 5m2n + 2mn
= 2m3 + 2mn - 5m2n - 5n2
= (2m3 + 2mn) - (5m2n + 5n2)
= 2m(m2 + n) - 5n(m2 + n)
= (m2 + n)(2m - 5n).
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Factorisation by Grouping
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