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प्रश्न
Write the relation R = {(x, x3): x is a prime number less than 10} in roster form.
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उत्तर
R = {(x, x3): x is a prime number less than 10}
= {(x, x3) : X ∈ {2, 3, 5, 7})
= {(2, 23), (3, 33), (5, 53), (7, 73)}
∴ R = {(2, 8), (3, 27), (5, 125), (7, 343)}
संबंधित प्रश्न
Let A = {1, 2, 3, 4, 6}. Let R be the relation on A defined by {(a, b): a, b ∈ A, b is exactly divisible by a}.
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| R = {(a, b) : a, b ∈ Z, a – b is an integer} | |||
| R = {(a, b) : a, b ∈ N, a + b is even} | √ | √ | x |
| R = {(a, b) : a, b ∈ N, a divides b} | |||
| R = {(a, b) : a, b ∈ N, a2 – 4ab + 3b2 = 0} | |||
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Answer the following:
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Answer the following:
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Answer the following:
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