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प्रश्न
Classify the following numbers as rational or irrational:
`sqrt(21)`
वर्गीकरण करा
संख्यात्मक
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उत्तर
` sqrt(21) = sqrt(3) xx sqrt(7)` is an irrational number because `sqrt(3)` and `sqrt(7)` are irrational and prime numbers.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Real Numbers - EXERCISE 1D [पृष्ठ ३६]
