Question

The value of 1/4+1/4.3+1/4.3^2+1/4.3^3=?

Answer 1

1/4(1+1/3+1/3^2+1/3^3)
1/4(1-(1/3)^4)*1
----------------
1-1/3

Answer 2

is this an infinite series or finite? that is
\[\frac{1}{4}(1+\frac{1}{3}+\frac{1}{3^2} +\frac{1}{3^3}...)\]

Answer 3

or is it just the one you wrote?

Answer 4

could you plz explain how you get 1/3

Answer 5

finite geometric series

Answer 6

1/3 is the common ratio

Answer 7

it is not
\[\frac{1}{3}\] if it is just the terms you wrote.

Answer 8

its 1/4 + 1/4.3, how it becomes 1+1/3

Answer 9

1/4 is common

Answer 10

oh is it 4.3 i took it 4*3???

Answer 11

problem is odd if it is exactly what you wrote, then you need a calculator. can you post a picture of the original problem?

Answer 12

Yes, its 4.3

Answer 13

yeah, otherwise its simple one

Answer 14

then satellite is right. u just need a calculator