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What is the value of \(5!\div4!+3!\)?\(5!\div4!+3!\) का मान क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: 1111
Using factorials, \(5!=5\times4!\), so \(5!\div4!=5\). Also, \(3!=3\times2\times1=6\). Therefore, \(5!\div4!+3!=5+6=11\), so option B is correct. \(12\) may result from incorrectly evaluating \(5!\div4!\) as 6. Exam tip: simplify factorial expressions first, then perform division and addition.क्रमगुणित के अनुसार \(5!=5\times4!\), इसलिए \(5!\div4!=5\) होता है। साथ ही, \(3!=3\times2\times1=6\)। अतः \(5!\div4!+3!=5+6=11\), इसलिए सही विकल्प B है। \(12\) तब मिल सकता है जब \(5!\div4!\) को गलत ढंग से 6 माना जाए। परीक्षा टिप: पहले क्रमगुणित सरल करें, फिर भाग और जोड़ की गणना करें।
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