AP/GP

Algebra Level 4

1×210+2×3102+3×4103+4×5104+\large \dfrac{1 \times 2}{10} + \dfrac{2 \times 3}{10^2} + \dfrac{3 \times 4}{10^3} + \dfrac{4 \times 5}{10^4} + \ldots

If the value of the series above can be expressed as AB\dfrac{A}{B}, where AA and BB are coprime positive integers, find the value of A+BA+B.

×

Problem Loading...

Note Loading...

Set Loading...