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What is the value of \(\frac{7!}{7}\)?\(\frac{7!}{7}\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: \(6!\)\(6!\)
Since \(7!=7\times6!\), \(\frac{7!}{7}=\frac{7\times6!}{7}=6!\). Getting \(5!\) would require dividing \(6!\) by 6 as well, so it is not correct. Exam tip: use \(n!=n\times(n-1)!\) to simplify factorial expressions.क्योंकि \(7!=7\times6!\), अतः \(\frac{7!}{7}=\frac{7\times6!}{7}=6!\)। \(5!\) प्राप्त करने के लिए \(6!\) को भी 6 से भाग देना पड़ता, इसलिए वह सही नहीं है। परीक्षा टिप: \(n!=n\times(n-1)!\) का उपयोग करके फैक्टोरियल वाले व्यंजकों को सरल करें।
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