Sarthaks Test
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Write the relation R = {(x, x3): x is a prime number less than 10} in roster form.

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R = {(x, x3): x is a prime number less than 10} The prime numbers less than 10 are 2, 3, 5, and 7. 

∴ R = {(2, 8), (3, 27), (5, 125), (7, 343)} 

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