Question
Mathematics Question on Relations and Functions
Let the relation R be defined in N by aRb if 3a + 2b = 27 then R is
A
{(1, 12), (3, 9), (5,6), (7, 3), (9, 0)}
B
{(1, 12), (3, 9), (5, 6), (7, 3)}
C
{(2, 1), (9, 3), (6, 5), (3, 7)}
D
\left\\{(0,\frac{27}{2}),(1, 12), (3, 9), (5,6),(7,3)\right\\}
Answer
{(1, 12), (3, 9), (5, 6), (7, 3)}
Explanation
Solution
The correct answer is (B) : {(1, 12), (3, 9), (5, 6), (7, 3)}.