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MATHEMATICS

JAMB 2004 - Question 18

Mathematics 2004 JAMB Past Questions - Question 18: The nth term of two sequences are Qn = 3 . 2n - 2 and Um = 3 . 22m - 3. Find the product of Q2 and U2.

The nth term of two sequences are Qn = 3 . 2n - 2 and Um = 3 . 22m - 3. Find the product of Q2 and U2.

A: 18

B: 12

C: 6

D: 3

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Correct Answer

Explanation

Qn = 3 * 2n - 2Um = 3 * 22m - 3Q2 * U2 = (3 * 22 - 2) * (3 * 22(2) - 3)= 3 * 20 * 3 * 21= 3 * 1 * 3 * 2= 18