S=1/2x 2/3x 3/4x............x2016/2017
S=1/1x 1/2017
S=1/2017
\(S=\left(1-\frac{1}{2}\right).\left(1-\frac{1}{3}\right).....\left(1-\frac{1}{2017}\right)\)
\(S=\frac{1}{2}\cdot\frac{2}{3}\cdot\cdot\cdot\cdot\cdot\cdot\cdot\frac{2016}{2017}\)
\(S=\frac{1.2........2016}{2.3..........2017}\)
\(S=\frac{1}{2017}\)
\(S=\left(1-\frac{1}{2}\right)x\left(1-\frac{1}{3}\right)x...x\left(1-\frac{1}{2017}\right)\)
\(=\frac{1}{2}x\frac{2}{3}x...x\frac{2016}{2017}\)
\(=\frac{1}{2017}\)