खालीलपैकी कोणती परिमेय संख्या ही \(\sqrt{5} \)  व \(\sqrt{7} \) यांदरम्यान असेल?

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  1. \(4\frac{1}{5}\)
  2. \(3\frac{1}{5}\)
  3. \(2\frac{2}{5}\)
  4. \(1\frac{1}{5}\)

Answer (Detailed Solution Below)

Option 3 : \(2\frac{2}{5}\)
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Detailed Solution

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दिलेले आहे:

√ 5 व √7

संकल्पना:

प्रत्येक परिमेय संख्या अखंड आवर्ती दशांश रूपात लिहिता येते.

गणना:

√5 = 2.33 व √7 = 2.64

2.33... व 2.64... यांच्या दरम्यान येणारी परिमेय संख्या

म्हणून, 2.33 व 2.64 यांच्या दरम्यान केवळ \(2{2\over5}\) ही संख्या असेल.

∴ √ 5 व √7 यांच्या दरम्यान केवळ \(2{2\over5}\) ही परिमेय संख्या असेल.

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