2022
Mathematics
JAMB
The 10th term of an AP is 32. If the first term is 3/2, what is the 4th term?
A.
35/3
B.
64
C.
16
D.
35/2
Correct Answer: 35/3
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
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 → 35/3THIS WEEK's
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