Physics, asked by anushree9191, 9 months ago

find the sum of geometric progression 1 + 3 + 9 + 27 to 12 terms

Answers

Answered by Lucky567847

1

Answer:1250112

Explanation:

ar^n-1

a=1

r=3

n=13

1×3^12-1=3^11

1250112

Answered by 2singhrashi

4

Answer:

Explanation:

Formula for sum of finite terms of a GP is a(r^n-1)/r-1 [a=first term, r=common difference, n=number of terms]

Sum of the given GP is

1(3^12-1)/3-1

=531441-1/2

=531440/2

=265720

Previous Question

Next Question

Similar questions

Math, 5 months ago

The difference between simple and compound interests on a sum of money at 4% per annum for 2 years is Rs: 8. the sum is?

Hindi, 5 months ago

संदेश लेखन के सभी प्रकारों के एक एक उदाहरण अपनी व्याकरण की कॉपी में अवश्य लिखें।...

Math, 5 months ago

if four numberes 1/2, 1/3,1/5, 1/x are proportional then x is ...

Science, 9 months ago

In which of the following class ,animal lack scales and have mucus gland in the skin...

English, 9 months ago

What is this a phrase or clause "which is next to his friend's chair " ?

Math, 11 months ago

last year, sales at company x were 10% greater in february than in january, 15% less in march than in february, 20% greater in april than in march, 10% less in may than in april, and 5% greater in june than in may. in which month were sales closest to the sales in january?

Math, 11 months ago

largest 4 digit no exactly divisible by 9,11,12 and 13 is a) 5148 b)6264...

Chemistry, 11 months ago

2 c3h6(g) + 2nh3(g) + 3o2(g) → 2 c3h3n(l) + 6 h2o(l) how many kilograms of acrylonitrile can be prepared from 1.68×103 kg of propene, 8.5×102 kg of ammonia and 1.60×10 3 kg of oxygen?