Question

solve for the variable:
1+x+x^2+x^3+...=5

Answer 1

x
-- = 5
1 - x

Answer 2

i didnt get how u got that answer could you show me how?

Answer 3

\[\frac{x}{1-x} = 5\]
http://blogformathematics.blogspot.in/2011/06/sum-of-infinite-geometric-progression.html