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What is the value of \(\frac{6!}{3!,3!}+\frac{7!}{5!,2!}\)?\(\frac{6!}{3!,3!}+\frac{7!}{5!,2!}\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 4141
\(\frac{6!}{3!\,3!}=\frac{720}{6\times6}=20\), and \(\frac{7!}{5!\,2!}=\frac{5040}{120\times2}=21\). Therefore, the total is \(20+21=41\). An option such as \(39\) may result from an error in simplification or addition. Exam tip: Cancel factorial terms first and write the remaining products carefully.\(\frac{6!}{3!\,3!}=\frac{720}{6\times6}=20\) तथा \(\frac{7!}{5!\,2!}=\frac{5040}{120\times2}=21\)। अतः कुल मान \(20+21=41\) है। \(39\) जैसा विकल्प गलत सरलीकरण या जोड़ में त्रुटि से आ सकता है। परीक्षा टिप: फैक्टोरियल पदों को काटने के बाद शेष गुणनफल को ध्यान से लिखें।
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