\(\binom{9}{5}\) किसके बराबर है?
\(\binom{9}{5}\) is equal to which expression?
Explanation opens after your attempt
Correct Answer
A. \(\binom{9}{4}\)
Concept
Because \(\binom{n}{r}=\binom{n}{n-r}\). Here (9-5=4).
Why this answer is correct
The correct answer is A. \(\binom{9}{4}\). Because \(\binom{n}{r}=\binom{n}{n-r}\). Here (9-5=4).
Exam Tip
क्योंकि \(\binom{n}{r}=\binom{n}{n-r}\) होता है। यहां (9-5=4) है।
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