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Factorise: 125y3 − 1 - Marathi (Second Language) [मराठी (द्वितीय भाषा)]

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प्रश्न

Factorise:

125y− 1

योग

उत्तर

It is known that,

a3 − b3 = (a − b)(a2 + ab + b2)

125y− 1

= (5y)3 − (1)3

= (5y − 1)[(5y)2 + (1)2 + (5y) × (1)]

= (5y − 1)(25y2 + 1 + 5y)

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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Factorisation of Algebraic expressions - Practice Set 6.3 [पृष्ठ ३२]

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