Mathematics
JAMB 2004
The nth term of two sequences are Q
n = 3 . 2
n - 2 and U
m = 3 . 2
2m - 3. Find the product of Q
2 and U
2.
Correct Answer: Option A
Explanation
Q
n = 3 * 2
n - 2
U
m = 3 * 2
2m - 3
Q
2 * U
2 = (3 * 2
2 - 2) * (3 * 2
2(2) - 3)
= 3 * 2
0 * 3 * 2
1
= 3 * 1 * 3 * 2
= 18
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