1/3^n=9

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Solution for 1/3^n=9 equation: 



1/3^n=9

We move all terms to the left:

1/3^n-(9)=0



Domain of the equation: 3^n!=0

n!=0/1

n!=0

n∈R



We multiply all the terms by the denominator


-9*3^n+1=0

Wy multiply elements

-27n+1=0

We move all terms containing n to the left, all other terms to the right

-27n=-1

n=-1/-27

n=1/27

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