Question

The first and the last term of a GP are 3 and 486 respectively. If the common ratio is 3, find :- 1) n the number of terms of the GP 2) sum of the n terms

Answer 1

Answer:

Hiii,

Step-by-step explanation:

I think your question is wrong..according to your question a 1 is equal to 3 when a 1 is equal to 3 we are not getting the value of n..

we are getting both the no. of terms of GP and sum of n terms when the a value is 2....

I have done both cases please check...

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