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Prove that following numbers are irra...

Prove that following numbers are irrationals: `4+sqrt(2)` (ii) `5sqrt(2)`

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RD SHARMA ENGLISH-REAL NUMBERS-All Questions
  1. Show that the following numbers are irrational. (i) 6+sqrt(2) (ii) 3...

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  2. Prove that following numbers are irrationals:(i) 2/(sqrt(7))

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  3. Prove that following numbers are irrationals: 4+sqrt(2) (ii) 5sqrt(...

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  4. Show that 2-sqrt(3) is an irrational number. Given sqrt(3) is irration...

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  5. Show that 3+sqrt(2) is an irrational number.

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  6. Prove that ( 4-5 sqrt2) is an irrational number.

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  7. Show that 5-2sqrt(3) is an irrational number.

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  8. Prove that 2sqrt(3)-1 is an irrational number

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  9. Prove that 2-3sqrt(5) is an irrational number.

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  10. Prove that sqrt(3)+sqrt(5) is irrational.

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  11. Prove that sqrt(3)+sqrt(4) is an irrational number.

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  12. If p ,\ q are prime positive integers, prove that sqrt(p)+sqrt(q) i...

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

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

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

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

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  17. Write down the decimal expansions of the following rational numbers...

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  18. Write down the decimal expansions of the following rational numbers...

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  19. What can you say about the prime factorisations of the denominators ...

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  20. State Fundamental Theorem of Arithmetic.

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