logₓ (1/27) = -3 হলে, x এর মান-

A -3

B 3

C -(1/3)

D 1/3

Solution

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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