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Question:
What is the value of x in the equation logx1/81= 4
a)
1/3
b)
1/2
c)
3
d)
2
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Description:

দেয়া আছে, logx1/81=4
>x4=1/81=1/34=(1/3)4
.:. X=1/3

This question was added in the model test of প্রাইমারি পরীক্ষা নং-21

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