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Give an example and verify the following statement. The collection of all non-zero rational numbers is closed under division - Mathematics

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प्रश्न

Give an example and verify the following statement.

The collection of all non-zero rational numbers is closed under division

योग

उत्तर

let a = `5/6` and b = `(-4)/3` be two non-zero rational numbers.

a ÷ b = `5/6 ÷ (-4)/3`

= `5/6 xx 3/(-4)`

= `5/(-8)` is in Q

∴ Collection of non-zero rational numbers are closed under division.

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अध्याय 1: Numbers - Exercise 1.7 [पृष्ठ ४७]

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सामाचीर कलवी Mathematics [English] Class 8 TN Board
अध्याय 1 Numbers
Exercise 1.7 | Q 12. (i) | पृष्ठ ४७
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