plzzz help me
question is of class 11 kc sinha math book
ch is geometric progression
Attachments:
Answers
Answered by
2
Answer:
Step-by-step explanation:
sum of 1st n terms is ........ a*(r^n - 1)/(r-1)
sum of next n terms.....{ starting with a*r^n .......)is a*r^n (r^n -1)/(r-1)..
Therefore the required ration is 1/r^n
Similar questions