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प्रश्न
Factorise completely: 8x2y - 18y3
बेरीज
उत्तर
8x2y - 18y3 = 2y (4x2 - 9y2)
= 2y[(2x)2 - (3y)2]
= 2y (2x + 3y) (2x - 3y)
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Factorising Completely
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