1.

\[{{n}^{th}}\] term of the series\[1+\frac{4}{5}+\frac{7}{{{5}^{2}}}+\frac{10}{{{5}^{3}}}+........\]will be

A. \[\frac{3n+1}{{{5}^{n-1}}}\]
B. \[\frac{3n-1}{{{5}^{n}}}\]
C. \[\frac{3n-2}{{{5}^{n-1}}}\]
D. \[\frac{3n+2}{{{5}^{n-1}}}\]
Answer» D. \[\frac{3n+2}{{{5}^{n-1}}}\]


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