Posted by **ravi&ashu** on Monday, June 17, 2013 at 12:47am.

S=1+2(1

5

)+3

(1

5

)

2+4

(1

5

)

3…. If

S=a

b

,

where a and

b are coprime positive integers, what is the

value of a+b?

## Answer this Question

## Related Questions

- MAths - 4 distinct integers p, q, r and s are chosen from the set {1,2,3,…,16,17...
- Maths!!! - 4 distinct integers p, q, r and s are chosen from the set {1,2,3,…,16...
- maths - S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite...
- maths - S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite...
- maths - If a and b are coprime positive integers such that 1/2+1/3+1/4+1/5=a/b, ...
- maths!!!!!!!!! - If a and b are coprime positive integers such that 1/2+1/3+1/4+...
- Maths Please Helppp - S=1+2*(1/5)+3*(1/5)^2+4(1/5)^3...... If S=a/b, where a and...
- help maths - f(x) is a cubic polynomial such that f(n)=1/n^2+1 for n=1,2,3,4. If...
- algebra!!!! please help me!!!! - The smallest possible positive value of 1−...
- Maths - Let x,y,z be non-negative real numbers satisfying the condition x+y+z=1...

More Related Questions