यदि $\frac{1}{x(x+1)(x+2) \ldots(x+n)} = \sum_{r=0}^{n} \frac{A_r}{x+r}$ है,तो $A_r$ का मान ज्ञात कीजिए:

  • A
    $(-1)^r \frac{r!}{(n-r)!}$
  • B
    $(-1)^r \frac{1}{r!(n-r)!}$
  • C
    $\frac{1}{r!(n-r)!}$
  • D
    $\frac{r!}{(n-r)!}$

Explore More

Similar Questions

यदि $\frac{2x + 3}{(x + 1)(x - 3)} = \frac{a}{x + 1} + \frac{b}{x - 3}$ है,तो $a + b$ का मान ज्ञात कीजिए।

यदि $\frac{3x+2}{(x+1)(2x^2+3)} = \frac{A}{x+1} + \frac{Bx+C}{2x^2+3}$ है,तो $A-B+C=$

सीमा का मूल्यांकन करें: $\lim _{n \rightarrow \infty} \sum_{r=1}^n \frac{r+2}{r(r+1)(r+3)}$

यदि $\frac{x^4}{(x-1)^2(x+1)}=Ax+B+\frac{P}{(x-1)}+\frac{Q}{(x-1)^2}+\frac{R}{x+1}$ है,तो $2AP-BQ+R=$

यदि $\frac{x^2-3x+1}{(x-1)(x-2)(x-3)}=\frac{A}{x-3}+\frac{B}{(x-1)(x-2)}+\frac{C}{(x-1)(x-2)(x-3)}$ है,तो $B=$

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo