$a > 0$ માટે,ધારો કે $\frac{1}{a(a+1)(a+2) \ldots(a+20)}=\sum_{k=0}^{20} \frac{A_{k}}{a+k}$. તો $100\left(\frac{A_{14}+A_{15}}{A_{13}}\right)^{2}$ ની કિંમત $....$ છે.

  • A
    $9$
  • B
    $27$
  • C
    $3$
  • D
    $81$

Explore More

Similar Questions

જો $\frac{x^4+24 x^2+28}{\left(x^2+1\right)^3}=\frac{A x+B}{x^2+1}+\frac{C x+D}{\left(x^2+1\right)^2}+\frac{E x+F}{\left(x^2+1\right)^3}$ હોય,તો $A+B+C+D+E+F$ ની કિંમત શોધો.

જો $\frac{x^{4}}{(x - 1)(x - 2)} = f(x) + \frac{A}{x - 1} + \frac{B}{x - 2}$ હોય,તો

જો $\frac{x^2+3}{x^4+2 x^2+9}=\frac{A x+B}{x^2+a x+b}+\frac{C x+D}{x^2+c x+b}$ હોય,તો $a A+b B+c C+D=$

જો $\frac{3 x^4-2 x^2+1}{(x-2)^4}=A+\frac{B}{x-2}+\frac{C}{(x-2)^2}+\frac{D}{(x-2)^3}+\frac{E}{(x-2)^4}$ હોય, તો $2 A+3 B-C-D+E=$

$\frac{x^2-1}{(x^2+1)(x^2+2)}$ ના પાવર શ્રેણી વિસ્તરણમાં $x^4$ નો સહગુણક શોધો.

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