Multiple Choice Questions on If 1 logx12 2 loga12 2 then find the value of x ........ for NDA Exam Preparation

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Multiple Choice Questions

If 1 logx12 2 loga12 2 then find the value of x ........

Mathematics (NDA) Logarithm
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If , 1/logx12 =2/loga12 -2 ,  then find the value of x ?

a2/144

Correct Answer

 a/12

Incorrect Answer

 2a /14

Incorrect Answer

-a /144

Incorrect Answer
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Explanation:

 1/logx12   =2/loga12 -2  

Log12x   =2log12a   -2

Log12x/a2   = -2

 12-2 =x/a2

x=a2/144

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