show that 1÷√2 is rational or irrational?(show procedur)
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1 ÷ √2
= 1 × 1 / √2
= 1 × 1 * √2 / 2 ( rationalising denominator)
= 1 × √2 / 2
As we know that producten of a rational and an irrational is always an irrational number .
hence , this number is irrational.
= 1 × 1 / √2
= 1 × 1 * √2 / 2 ( rationalising denominator)
= 1 × √2 / 2
As we know that producten of a rational and an irrational is always an irrational number .
hence , this number is irrational.
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