\( \frac{11!+10!}{9!} \) का मान क्या है?
What is the value of \( \frac{11!+10!}{9!} \)?
Explanation opens after your attempt
C. (120)
Concept
\(11!=11\cdot10\cdot9!\) and \(10!=10\cdot9!\), so the value is (120). Taking the common factorial in addition is a quick method.
Why this answer is correct
The correct answer is C. (120). \(11!=11\cdot10\cdot9!\) and \(10!=10\cdot9!\), so the value is (120). Taking the common factorial in addition is a quick method.
Exam Tip
\(11!=11\cdot10\cdot9!\) और \(10!=10\cdot9!\), इसलिए मान (120) है। जोड़ में सामान्य फैक्टोरियल निकालना तेज तरीका है।
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