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  • Write the relation R = {(x, x^3) : x is a prime number less than 10} in roster form.

Q7  Write the relation R = \left \{ \right.(x, x^3) : x\: \: is\: \: a\: \: prime\: \: number \: \: less\: \: than\: \: 10\: \: \left. \right \} in roster form.

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best_answer

It is given that  
R = \left \{ \right.(x, x^3) : x\: \: is\: \: a\: \: prime\: \: number \: \: less\: \: than\: \: 10\: \: \left. \right \}
Now,
As we know the prime number less than 10 are 2, 3, 5 and 7.
Therefore,
 the relation in roaster form is , R =\left \{ {(2,8), (3,27), (5,125), (7,343)} \right \}

Posted by

Gautam harsolia

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