$\int_{0}^{1} \left( \prod_{r=1}^{n} (x+r) \right) \left( \sum_{k=1}^{n} \frac{1}{x+k} \right) dx$ નું મૂલ્ય શું થાય?

  • A
    $n$
  • B
    $n!$
  • C
    $(n+1)!$
  • D
    $n \cdot n!$

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Similar Questions

ધારો કે $f(x) = \int \frac{\sqrt{x}}{(1+x)^2} dx$ $(x \geq 0)$ છે. તો $f(3) - f(1)$ ની કિંમત શોધો.

જો $\int_1^n [x] dx = 120$ હોય,તો $n = $

જો $a_n = \int_0^{\frac{\pi}{2}} \frac{\sin^2 nx}{\sin x} dx$ હોય,તો $a_2 - a_1, a_3 - a_2, a_4 - a_3$ એ શેમાં છે?

$\int\limits_2^4 {\left[ {{{\log }_x}2 - \frac{{{{\left( {{{\log }_x}2} \right)}^2}}}{{\ln 2}}} \right]} dx =$

જો $f(t) = \int_{-t}^t \frac{e^{-|x|}}{2} dx$ હોય, તો $\lim_{t \rightarrow \infty} f(t)$ ની કિંમત શોધો.

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