logₓ (1/27) = -3 হলে, x এর মান-
A -3
B 3
C -(1/3)
D 1/3
Correct Answer: Option B
logₓ (1/27) = -3
=> x^-3 = 1/27
=> x^-3 = 1/3^3
=> x^-3 = 3^-3
x = 3 [যেহেতু power বা ঘাত সমান ]
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