Find the sum to n terms of the series 10+84+734 + .....

GATE · 2013 · IN · General Aptitude

1. A.

   $\frac{9(9^{n}+1)}{10}+1$

2. B.

   $\frac{9(9^{n}−1)}{8}+1$

3. C.

   $\frac{9(9^{n}−1)}{8}+n$

4. D.

   $\frac{9(9^{n}−1)}{8}+n^{2}$