Mathematics · JEE | SEQUENCES AND SERIES

The sum of the first \( n \) terms of a G.P. with first term \( a \) and common ratio \( r \) (\( r \neq 1 \)) is given by:

1. A
   \( \frac{ar^n}{1-r} \)
2. B
   \( \frac{a(r^n-1)}{1-r} \)
3. C
   \( \frac{a(1-r^{n-1})}{1-r} \)
4. D
   \( \frac{a(1-r^n)}{1-r} \)