\(\frac{1}{3 \times 5} + \frac{1}{5 \times 7} + \frac{1}{7 \times 9} + ....\) What will be the sum of 50 terms of the same sequence?

1
\(\frac{120}{315}\)
2
\(\frac{100}{309}\)
3
\(\frac{50}{309}\)
4
\(\frac{12}{63}\)

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