हिंदी

Factorise the following expression. "p"^2-1/25 - Mathematics

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प्रश्न

Factorise the following expression.

`"p"^2-1/25`

योग
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उत्तर

`"p"^2 - 1/25`

Let us recognize it as the difference of the squares of a and b.

a = p2

b = `(1/5)^2 = 1/25`

a2 − b2 = (a + b) (a − b)

∴ `(p)^2-(1/5)^2` = `(p + 1/5)(p - 1/5)`

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

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बालभारती Mathematics [English] Standard 7 Maharashtra State Board
अध्याय 14 Algebraic Formulae - Expansion of Squares
Practice Set 53 | Q 1.04 | पृष्ठ ९४
बालभारती Mathematics Integrated [English] Standard 7 Maharashtra State Board
अध्याय 14 Algebraic Formulae-Expansion of Squares
Practice Set 53 | Q 1. (iv) | पृष्ठ ४४
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