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

Answer

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

Explanation

Let the relation R be defined in `NN to NN` and `aRb if 2 a+3 b=30`.


Given that, `2 a+3 b=30`



`3 b=30-2 a`

`b=frac{30-2 a}{3} `

`=10-frac{2 a}{3}`



...