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Factors of x^2 + (a + 1/a)⁢x + 1 are ______. - Mathematics

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Question

Factors of `x^2 + (a + 1/a)x + 1` are ______.

Options

  • `(x + a)(x + 1/a)`

  • `(x + a)(x - 1/a)`

  • `(x - a)(x + 1/a)`

  • `(x - a)(x - 1/a)`

MCQ
Fill in the Blanks
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Solution

Factors of `x^2 + (a + 1/a)x + 1` are `underlinebb((x + a)(x + 1/a))`.

Explanation:

We are given the quadratic expression:

`x^2 + (a + 1/a)x + 1`

Let’s check if it factors as:

`(x + a)(x + 1/a)`

= `x^2 + (a + 1/a)x + a xx 1/a`

= `x^2 + (a + 1/a)x + 1`

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Chapter 4: Factorisation - Exercise 4F [Page 91]

APPEARS IN

Nootan Mathematics [English] Class 9 ICSE
Chapter 4 Factorisation
Exercise 4F | Q 10. | Page 91
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