Advertisements
Advertisements
प्रश्न
Find, which of the following sequence from a G.P. :
8, 24, 72, 216, .............
उत्तर
Given sequence: 8, 24, 72, 216, .............
Now,
`24/8 = 3, 72/24 = 3, 216/72 = 3`
Since `24/8 = 72/24 = 216/72` = ........ = 3, the given sequence is a G.P. with common ratio 3.
APPEARS IN
संबंधित प्रश्न
The fourth term, the seventh term and the last term of a geometric progression are 10, 80 and 2560 respectively. Find its first term, common ratio and number of terms.
The fifth, eight and eleventh terms of a geometric progression are p, q and r respectively. Show that : q2 = pr.
Q 6
Q 6
Find the sum of G.P. :
`1 - 1/2 + 1/4 - 1/8 + ..........` to 9 terms.
Q 3.1
Q 7
Q 8
The first two terms of a G.P. are 125 and 25 respectively. Find the 5th and the 6th terms of the G.P.
Find a G.P. for which the sum of first two terms is – 4 and the fifth term is 4 times the third term.