Factorize the Following Expressions: Y3 +125 - Mathematics

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Factorize the following expressions:

y3 +125

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Solution

= y3 + 53

= ( y + 5)( y2  - 5y + 52 )     [ ∵ a3 + b3  = (a + b)(a2  - ab + b2 )]

= ( y + 5)( y2 - 5y + 25)

∴ y3 +125 = ( y + 5)( y2 - 5y + 25)

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Chapter 5: Factorisation of Algebraic Expressions - Exercise 5.2 [Page 14]

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RD Sharma Mathematics for Class 9
Chapter 5 Factorisation of Algebraic Expressions
Exercise 5.2 | Q 2 | Page 14

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