English

If x + y + z = 0, the value of xy+z is ______.

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Question

If x + y + z = 0, the value of `x/(y + z)` is ______.

Options

  • 2

  • `1/2`

  • 1

  • –1

MCQ
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Solution

If x + y + z = 0, the value of `x/(y + z)` is –1.

Explanation:

Given x + y + z = 0

`\implies` y + z = – x

∴ `x/(y + z) = x/-x = -1`

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Chapter 7: Ratio and Proportion (Including Properties and Uses) - Exercise 7 (C) [Page 96]

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Selina Concise Mathematics [English] Class 10 ICSE
Chapter 7 Ratio and Proportion (Including Properties and Uses)
Exercise 7 (C) | Q 1. (a) | Page 96
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