Question:

The sum of the series $S = \frac{1}{19! } + \frac{1}{3!7!} + \frac{1}{5! 5!} + ... $ to 10 terms is equal to :

Updated On: Feb 14, 2025
  • $\frac{2^{20}}{20!}$
  • $\frac{2^{10}}{20!}$
  • $\frac{2^{19}}{19!}$
  • $\frac{2^{19}}{20!}$
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The Correct Option is B

Solution and Explanation

Answer (b) $\frac{2^{10}}{20!}$
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