MATHEMATICS

JAMB 2022 - Question 39

Mathematics 2022 JAMB Past Questions - Question 39: The 10th term of an AP is 32. If the first term is 3/2, what is the 4th term?

The 10th term of an AP is 32. If the first term is 3/2, what is the 4th term?
A:
B:
C:
D:
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Correct Answer

A

Explanation

Tn = a + (n-1)d10th term = 3232 = 3/2 + 9d 9d = 32 - 3/29d = 61/2d = 61/18: T4 = 3/2 + 3(61/18)T4 = 3/2 + 61/6 → 35/3