$\sum_{r=0}^{10} {}^{40-r} C_5$ ની કિંમત શોધો.

  • A
    ${}^{41} C_5 - {}^{30} C_5$
  • B
    ${}^{41} C_6 - {}^{30} C_6$
  • C
    ${}^{41} C_5 + {}^{30} C_5$
  • D
    ${}^{41} C_6$

Explore More

Similar Questions

$(1+a)^{m+n}$ ના વિસ્તરણમાં સાબિત કરો કે $a^{m}$ અને $a^{n}$ ના સહગુણકો સમાન છે.

$^{4n}C_0 + ^{4n}C_4 + ^{4n}C_8 + ... + ^{4n}C_{4n}$ નું મૂલ્ય શું છે?

Difficult
View Solution

$\binom{50}{4} + \sum_{i=1}^{6} \binom{56-i}{3} = \dots$

જો $n$ એક ધન પૂર્ણાંક હોય,તો $\sum_{r=1}^n r^2 \cdot C_r = (\ldots \ldots \ldots) 2^{n-2}$

$\sum\limits_{r = 0}^{n - 1} {\frac{{^n{C_r}}}{{^n{C_r} + {\,^n}{C_{r + 1}}}}} $ નું મૂલ્ય શું થાય?

Difficult
View Solution

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