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प्रश्न
Factorise:
64x3 − 729y3
बेरीज
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उत्तर
It is known that,
a3 − b3 = (a − b)(a2 + ab + b2)
64x3 − 729y3
= (4x)3 − (9y)3
= (4x − 9y){(4x)2 + (9y)2 + (4x) × (9y)}
= (4x − 9y)(16x2 + 81y2 + 36xy)
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
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