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MATHEMATICS

JAMB 2006 - Question 25

Mathematics 2006 JAMB Past Questions - Question 25: Simplify (25)−1/2×(27)1/3+(121)−1/2×(625)−1/4

Choose the most appropriate option for the gap .

Simplify (25)−1/2×(27)1/3+(121)−1/2×(625)−1/4

A: 34/55

B: 9/11

C: 14/5

D: 3/275

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Correct Answer

Explanation

(25)−1/2 x (27)1/3 + (121)−1/2 x (625)−1/45^2 × −1/2 x 3^3 ×1/3 + 11^2 ×−1/2 x 5^4 ×−1/45^−1 x 3^1 x 11^−1 x 5^−11/5 × 3/1 + 1/11 × 1/53/5 + 1/55 = 33 + 1/55= 34/55