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Show that the sequence given by an= 3\ (...

Show that the sequence given by `a_n= 3\ (2^n),\ ` for all `n in N ,` is a G.P. Also find its common ratio.

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Given, `an​=3(2^n)`
`an+1​=3(2^(n+1))`
Now, `r=​a^(n+1)/(an)`​
`=(3(2^(n+1)))/(3(2^n))=2`
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