\( \frac{9!}{5!\cdot4!} \) का मान क्या है?
What is the value of \( \frac{9!}{5!\cdot4!} \)?
Explanation opens after your attempt
A. (126)
Concept
Writing (9!) as \(9\cdot8\cdot7\cdot6\cdot5!\) and dividing by (4!) gives (126). This is a common form in combinations.
Why this answer is correct
The correct answer is A. (126). Writing (9!) as \(9\cdot8\cdot7\cdot6\cdot5!\) and dividing by (4!) gives (126). This is a common form in combinations.
Exam Tip
(9!) को \(9\cdot8\cdot7\cdot6\cdot5!\) लिखकर (4!) से भाग देने पर (126) मिलता है। यह संयोजन में आने वाला सामान्य रूप है।
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