Question

determine the term AP whose 2 term is 5 and 5 term is 9

Answer 1

Step-by-step explanation:

an = a + (n-1)d

a₂ = 5

a + d = 5. . . . . . . . .(1)

a₅ = 9

a + 4d = 9. . . . . . . . (2)

(2) - (1)

3d = 4

d = 4/3

From (1)

a = 5 - 4/3

a = 11/3