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प्रश्न
Verify – (– x) = x for x = `(-7)/9`
योग
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उत्तर
Given, x = `(-7)/9`
⇒ – x = `-((-7)/9)`
⇒ – x = `7/9`
⇒ – (– x) = `(-7)/9` = x
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अध्याय 1: Rational Numbers - Exercise [पृष्ठ १९]
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