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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता ८ वी

Factorise. 125k3 + 27m3 - Marathi (Second Language) [मराठी (द्वितीय भाषा)]

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प्रश्न

Factorise.

125k+ 27m3

बेरीज

उत्तर

It is known that,

a3 + b3  = (a + b)( a2 − ab + b2)

125k3 + 27m3

Here, a = 5k and b = 3m

= (5k)3 + (3m)3

= (5k + 3m) [(5k)2 + (3m)2 − (5k)(3m)] 

= (5k + 3m) (25k2 + 9m2 − 15km)

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पाठ 6: Factorisation of Algebraic expressions - Practice Set 6.2 [पृष्ठ ३१]

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बालभारती Mathematics [English] 8 Standard Maharashtra State Board
पाठ 6 Factorisation of Algebraic expressions
Practice Set 6.2 | Q 3 | पृष्ठ ३१
बालभारती Integrated 8 Standard Part 2 [English Medium] Maharashtra State Board
पाठ 3.1 Factorisation of Algebraic expressions
Practice Set 6.2 | Q 1. (3) | पृष्ठ ४६
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