JAMB - Mathematics (2022 - No. 11)

The 10th term of an AP is 32. If the first term is 3/2, what is the 4th term?
35/3
64
16
35/2

Explanation

Tn = a + (n-1)d

10th term = 32

32 = 3/2 + 9d 

9d = 32 - 3/2

9d = 61/2

d = 61/18

: T4 = 3/2 + 3(61/18)

T4 = 3/2 + 61/6 → 35/3

 

Comments (0)

Advertisement