यदि \(\binom{n}{2}=45\) है तो (n) का मान क्या है?
If \(\binom{n}{2}=45\), what is the value of (n)?
Explanation opens after your attempt
C. (10)
Concept
\(\binom{10}{2}=45\). Therefore (n=10) is correct.
Why this answer is correct
The correct answer is C. (10). \(\binom{10}{2}=45\). Therefore (n=10) is correct.
Exam Tip
\(\binom{10}{2}=45\) होता है। इसलिए (n=10) सही है।
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