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Fill in the blanks:

Let the relation R be defined in N by aRb if 2a + 3b = 30. Then R = ______.

1 Answer

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Best answer

Given that, 2a + 3b = 30

⇒ 3b = 30 - 2a

∴ for a = 3, b = 8

Similarly,

For a = 6, b = 6

For a = 9, b = 4

For a = 12,b = 2

Thus, R = {(3,8),(6,6),(9,4),(12,2)}

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