Factorize the Following Expressions: A3 + B3 + a + B - Mathematics

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Factorize the following expressions:

a3 + b3 + a + b

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Solution

= (a3 + b3) +1(a + b)

= (a + b)(a2  - ab + b2) +1(a + b)

= (a + b)(a2 - ab + b2 +1)

∴ a3 + b3 + a + b = (a + b)(a2 - ab + b2 +1)

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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 15 | Page 14

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