Prove that $\frac{1}{\sqrt{2}}$ is an irrational number.

  • A
    Rational
  • B
    Irrational
  • C
    Integer
  • D
    None of these

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Without actually performing the long division,state whether the following rational number will have a terminating decimal expansion or a non-terminating repeating decimal expansion: $\frac{15}{1600}$.

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Prove that $7 \sqrt{5}$ is an irrational number.

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View Solution

Use Euclid's division algorithm to find the $HCF$ of $867$ and $255$.

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