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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता ७ वी

Factorise the following expression. 12y2-8z2 - Mathematics

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प्रश्न

Factorise the following expression.

`1/2y^2-8z^2`

बेरीज
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उत्तर

`1/2y^2 - 8z^2`

= `1/2(y^2 - 16z^2)`

a2 − b2 = (a + b) (a − b)

a = y2

b = 42 = 16

∴ = `1/2[(y)^2 - (4z)^2]`

`1/2(y^2 - 16z^2) = 1/2(y + 4z)(y - 4z)`

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पाठ 14: Algebraic Formulae - Expansion of Squares - Practice Set 53 [पृष्ठ ९४]

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बालभारती Mathematics [English] Standard 7 Maharashtra State Board
पाठ 14 Algebraic Formulae - Expansion of Squares
Practice Set 53 | Q 1.09 | पृष्ठ ९४
बालभारती Mathematics Integrated [English] Standard 7 Maharashtra State Board
पाठ 14 Algebraic Formulae-Expansion of Squares
Practice Set 53 | Q 1. (ix) | पृष्ठ ४४
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