$\lim _{n \rightarrow \infty} \left( \sum_{k=1}^n \frac{k^3+6 k^2+11 k+5}{(k+3)!} \right)$ નું મૂલ્ય શું છે?

  • A
    $\frac{4}{3}$
  • B
    $2$
  • C
    $\frac{7}{3}$
  • D
    $\frac{5}{3}$

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Similar Questions

જો $\frac{1}{2 \times 3 \times 4} + \frac{1}{3 \times 4 \times 5} + \frac{1}{4 \times 5 \times 6} + \dots + \frac{1}{100 \times 101 \times 102} = \frac{k}{101}$ હોય,તો $34k$ ની કિંમત $.....$ થાય.

જો ${a_1}, {a_2}, \dots, {a_{n+1}}$ એ $A.P.$ માં હોય,તો $\frac{1}{{{a_1}{a_2}}} + \frac{1}{{{a_2}{a_3}}} + \dots + \frac{1}{{{a_n}{a_{n+1}}}}$ ની કિંમત શું થાય?

$\frac{1}{1 \times 2} + \frac{1}{2 \times 3} + \frac{1}{3 \times 4} + \dots + \frac{1}{n(n + 1)} = \dots$

$\sum_{r=1}^{20} (r^{2}+1)(r!)$ ની કિંમત શોધો:

સરવાળો $\sum\limits_{r = 1}^{10} {({r^2} + 1) \times r!}$ કોના બરાબર છે?

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