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प्रश्न
State whether the given statement is true or false:
1 . The product of two rationals is always rational
उत्तर
The product of two rationals is always rational - True .
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संबंधित प्रश्न
State whether the given statement is true or false:
(1) The sum of two rationals is always rational
If the rational number `a/b`has a terminating decimal expansion, what is the condition to be satisfied by b?
Without actually performing the long division, state whether state whether the following rational numbers will have a terminating decimal expansion or a non-terminating repeating decimal expansion.
What can you say about the prime factorisations of the denominators of the following rationals: 43.123456789
State Euclid's division lemma.
Write the condition to be satisfied by q so that a rational number\[\frac{p}{q}\]has a terminating decimal expansions.
Write whether \[\frac{2\sqrt{45} + 3\sqrt{20}}{2\sqrt{5}}\]
on simplification gives a rational or an irrational number.
State whether the following rational number will have a terminating decimal expansion or a non-terminating repeating decimal expansion:
`129/(2^2xx5^7xx7^5)`
Write down the decimal expansion of the following number which has a terminating decimal expansion.
`77/210`
The smallest number by which `1/13` should be multiplied so that its decimal expansion terminates after two decimal places is ______.
