Advertisements
Advertisements
प्रश्न
In a G.P. 729, 243, 81, … find t7
उत्तर
G.P = 729, 243, 81, ….
t7 = ?
tn = arn−1, here a = 729, r = `("t"_2)/("t"_1)`
r = `243/729 = 1/3`
∴ t7 = `729(1/3)^(7-1) = 729 xx (1/3)^6`
= `729 xx 1/729`
= 1
APPEARS IN
संबंधित प्रश्न
Identify the following sequence is in G.P.?
3, 9, 27, 81, …
Identify the following sequence is in G.P.?
0.5, 0.05, 0.005, …
Identify the following sequence is in G.P.?
`16, 4, 1, 1/4,...`
Find the number of terms in the following G.P.
4, 8, 16, …, 8192?
In a G.P. the 9th term is 32805 and 6th term is 1215. Find the 12th term
Find the 10th term of a G.P. whose 8th term is 768 and the common ratio is 2
If a, b, c is in A.P. then show that 3a, 3b, 3c is in G.P.
A man joined a company as Assistant Manager. The company gave him a starting salary of ₹ 60,000 and agreed to increase his salary 5% annually. What will be his salary after 5 years?
Sivamani is attending an interview for a job and the company gave two offers to him. Offer A: ₹ 20,000 to start with followed by a guaranteed annual increase of 6% for the first 5 years. Offer B: ₹ 22,000 to start with followed by a guaranteed annual increase of 3% for the first 5 years
If A, B, C are pth, qth and rth terms of a GP respectively then Aq - r · Br - p · Cp - q = ______.
