Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Abhishek kumar singh
here in the question number of terms is not mention it should be mentioned in the question question is incomplete but on the basis of available information I had tried to provide solution here is your solution in attached picture
yes i thought that the question is incomplete and its solution in module also wrong . solution in module only calculate the sum of 10 terms only . so. thank you
if in question number of terms is given then use formula of sum of n termn of GP