2010
Mathematics
JAMB
Evaluate (81/16)−1/4 × 2−1
A.
1/3
B.
3
C.
6
D.
1/6
Correct Answer: 1/3
Explanation
〖(81/16)〗(-1)/4) × 2-1 =1 /〖(81/16)〗(1/4)^(1/4) × 1/2=〖(16/81)〗1/4 × 1/2=〖(2/3)〗(4×1/4)= 2/3 × 1/2 = 1/3
〖(81/16)〗(-1)/4) × 2-1 =1 /〖(81/16)〗(1/4)^(1/4) × 1/2=〖(16/81)〗1/4 × 1/2=〖(2/3)〗(4×1/4)= 2/3 × 1/2 = 1/3THIS WEEK's
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