(1/5)logx(2187√3)=1 হলে x এর মান __

A 3√3

B 3

C √3

D 1/√3

Solution

Correct Answer: Option A

(1/5)logx(2187√3)=1
বা,1/5logx(3⁷√3)=1
বা,1/5logx(√3)¹⁵=1
বা,1/5logx(√3)¹⁵×¹/⁵=1
বা,logx(√3)³=1
বা,x¹=(√3)³
বা,x=(√3)²√3
∴x=3√3

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