Evaluate the following limits:
……(1)
We can see that this is a geometric progression with the common ratio 1/3.
And, we know the sum of n terms of GP is 
Let suppose, 
and 
, then
Now, putting the value of Sn in equation (1), we get
Hence, 
19
Evaluate the following limits:
……(1)
We can see that this is a geometric progression with the common ratio 1/3.
And, we know the sum of n terms of GP is
Let suppose, and , then
Now, putting the value of Sn in equation (1), we get
Hence,