$\binom{30}{0}\binom{30}{10} - \binom{30}{1}\binom{30}{11} + \binom{30}{2}\binom{30}{12} - ....... + \binom{30}{20}\binom{30}{30}$ का मान क्या है?

  • A
    $^{60}C_{20}$
  • B
    $^{30}C_{10}$
  • C
    $^{60}C_{30}$
  • D
    $^{40}C_{30}$

Explore More

Similar Questions

यदि $(1 - x + x^2)^n = a_0 + a_1x + a_2x^2 + \dots + a_{2n}x^{2n}$ है,तो $a_0 + a_2 + a_4 + \dots + a_{2n}$ का मान ज्ञात कीजिए।

$2 \cdot {}^{20}C_0 + 5 \cdot {}^{20}C_1 + 8 \cdot {}^{20}C_2 + 11 \cdot {}^{20}C_3 + \dots + 62 \cdot {}^{20}C_{20}$ का मान ज्ञात कीजिए।

यदि $(1+x)^n = C_0 + C_1 x + C_2 x^2 + \ldots + C_n x^n$ है,तो $C_0 + 2 C_1 + 3 C_2 + \ldots + (n+1) C_n$ का मान ज्ञात कीजिए।

$^nC_0 - \frac{1}{2} ^nC_1 + \frac{1}{3} ^nC_2 - \dots + (-1)^n \frac{^nC_n}{n+1} = $

Difficult
View Solution

यदि $(1 + x + x^2)^{25} = a_0 + a_1x + a_2x^2 + ..... + a_{50}x^{50}$ है,तो $a_0 + a_2 + a_4 + ..... + a_{50}$ है :

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