Answer:
B.
Step-by-step explanation:
We have,
The first term of the series, .
The common difference is given by, i.e. .
Since, the given series is an infinite series, then,
Sum of an infinite series =
i.e. Sum the series =
i.e. Sum the series =
i.e. Sum the series =
i.e. Sum the series =
i.e. Sum the series =
Thus, the sum of the series is .