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

Question

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

or is it just the one you wrote?

anonymous · Answer

could you plz explain how you get 1/3

anonymous · Answer

finite geometric series

anonymous · Answer

1/3 is the common ratio

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

1/4 is common

anonymous · Answer

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

anonymous · Answer

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

anonymous · Answer

Yes, its 4.3

anonymous · Answer

yeah, otherwise its simple one

anonymous · Answer

then satellite is right. u just need a calculator