3^n-3^n-1=18.explain. n=?
Answers
Answered by
2
I understood the question like this.
Let
Now the equation is
3a - a = 54
2a = 54
a = 27
n = 3
Let
Now the equation is
3a - a = 54
2a = 54
a = 27
n = 3
Answered by
0
Answer:
Step-by-step explanation:
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