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The following real numbers have decimal expansions as given below. In each case, decide whether they are rational or not. If they are rational, and of the form `p/q` , what can you say about the prime factors of q ? :- 43.123456789 .

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PSEB-REAL NUMBERS -EXERCISE
  1. Explain why 7 xx 11 xx 13 + 13 and 7 xx 6 xx 5 xx4xx3 xx 2 xx 1 + 5 ar...

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  2. There is a circular path around a sports field. Sonia takes 18 minutes...

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  3. Prove that sqrt5 irrational.

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  4. Prove that 3+2 sqrt5 irrational.

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  5. Prove that the following are irrationals : 1/sqrt2

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  6. Prove that the following are irrationals : 7sqrt5

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  7. Prove that the following are irrationals : 6+sqrt2

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  8. Without actually performing the long division , state whether the foll...

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  9. Without actually performing the long division , state whether the foll...

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  10. Without actually performing the long division , state whether the foll...

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  11. Without actually performing the long division , state whether the foll...

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  12. Without actually performing the long division , state whether the foll...

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  13. Without actually performing the long division, state whether the follo...

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  14. Without actually performing the long division, state whether the follo...

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  15. Without actually performing the long division , state whether the foll...

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  16. Without actually performing the long division , state whether the foll...

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  17. Without actually performing the long division , state whether the foll...

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  18. The following real numbers have decimal expansions as given below. In ...

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  19. The following real numbers have decimal expansions as given below. In ...

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  20. The following real numbers have decimal expansions as given below. In ...

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