Question

plz answer question number 14 its urgent

Answer 1

(2, 3) lies on the graph of equation ax + by = 1
2a + 3b = 1 → (1)
Similarly, (4, 0) lie on the graph of ax + by = 1
4a + 0 = 1
Hence a = 1/4
Equation (1) becomes,  2(1/4) + 3b = 1
(1/2) + 3b = 1
3b = 1 - (1/2) = 1/2
Therefore b = 1/6