Home
Class 11
MATHS
The terms of an infinitely decreasing G....

The terms of an infinitely decreasing G.P. in which all the terms are positive, the first term is 4, and the difference between the third and fifth terms is `32//81` , then `r=1//3` b. `r=2sqrt(2)//3` c. `S_oo=6` d. none of these

Promotional Banner

Similar Questions

Explore conceptually related problems

Find a G.P. for which sum of the first two terms is – 4 and the fifth term is 4 times the third term.

Find the G.P. in which the 2nd term is sqrt(6) and the 6th term is 9sqrt(6) ?

Write the GP if the first term a=3, and the common ratio r=2.

write an A.P. whose first term is a and common difference d in each of the following. a =6, d = -3

For ths A.P. 1/4, -1/4, -3/4, -5/4 …………, write the first term a and the common difference d. And find the 7th term.

The first term of a G.P. is 1. The sum of the third term and fifth term is 90. Find the common ratio of G.P.

consider an infinite geometric series with first term a and comman ratio r if the sum is 4 and the second term is 3/4 then find a&r

The sum of 20 terms of a series of which every term is 2 times the term before it ,and every odd term is 3 times the term before it the first term being unity is

In an infinite geometric series the first term is a and common ratio is r . If the sum of the series is 4 and the seond term is 3/4 , then (a, r) is