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Question -

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



Answer -

Given,
Relation R = {(x, x3): x is a prime number less than 10}
The prime numbers less than 10 are 2, 3, 5, and 7.
Therefore,
R = {(2, 8), (3, 27), (5, 125), (7, 343)}

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