\(9\times8\times7\) को फैक्टोरियल रूप में कैसे लिखा जा सकता है?
How can \(9\times8\times7\) be written in factorial form?
Explanation opens after your attempt
A. \(\frac{9!}{6!}\)
Concept
\(9!=9\times8\times7\times6!\), so \(\frac{9!}{6!}=9\times8\times7\). Divide by the factorial after the last required factor.
Why this answer is correct
The correct answer is A. \(\frac{9!}{6!}\). \(9!=9\times8\times7\times6!\), so \(\frac{9!}{6!}=9\times8\times7\). Divide by the factorial after the last required factor.
Exam Tip
\(9!=9\times8\times7\times6!\), इसलिए \(\frac{9!}{6!}=9\times8\times7\)। अंतिम शेष संख्या के बाद वाले फैक्टोरियल से भाग दें।
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