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If t(n)=an^(-1), then find the value of ...

If `t_(n)=an^(-1)`, then find the value of n, given that `a=2,r=3 and t_(n)=486`.

A

5

B

6

C

4

D

8

Text Solution

Verified by Experts

The correct Answer is:
B
use `a^(m)=a^(n)impliesm=n`
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