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Show that the progression 6, 18, 54, 162...

Show that the progression 6, 18, 54, 162, ... is a GP. Write down its first term and the common ratio.

Text Solution

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We have `18/6=54/18=162/54=3` (costant).
So, the given progression is a GP in which the first term `=6` and the common ratio `=3`.
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