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Classify the following numbers as ration...

Classify the following numbers as rational or irrational.
`2pi`

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The correct Answer is:
Irrational
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NCERT TAMIL-REAL NUMBERS-EXERCISE - 1.4
  1. Classify the following numbers as rational or irrational. (sqrt2-2)^...

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  2. Classify the following numbers as rational or irrational. (2sqrt7)/(...

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  3. Classify the following numbers as rational or irrational. 2pi

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  4. Classify the following numbers as rational or irrational. (1)/(sqrt3...

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  5. Classify the following numbers as rational or irrational. (2+sqrt2)(...

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  6. In the following equations, find whether variables x, y, z etc. repres...

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  7. In the following equations, find whether variables x, y, z etc. repres...

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  8. In the following equations, find whether variables x, y, z etc. repres...

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  9. In the following equations, find whether variables x, y, z etc. repres...

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  10. In the following equations, find whether variables x, y, z etc. repres...

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  11. In the following equations, find whether variables x, y, z etc. repres...

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  12. Every surd is an irrational, but every irrational need not be a surd. ...

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  13. Rationalise the denominators of the following: (1)/(3+sqrt2)

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  14. Rationalise the denominators of the following: (1)/(sqrt7-sqrt6)

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  15. Rationalise the denominators of the following: (1)/(sqrt7)

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  16. Rationalise the denominators of the following: (sqrt6)/(sqrt3-sqrt2)

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  17. Simplify each of the following by rationalising the denominator: (6-...

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  18. Simplify each of the following by rationalising the denominator: (sq...

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  19. Simplify each of the following by rationalising the denominator: (1)...

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  20. Simplify each of the following by rationalising the denominator: (3s...

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