\( \frac{6!\cdot5!}{7!\cdot4!} \) का सरल मान क्या है?
What is the simplified value of \( \frac{6!\cdot5!}{7!\cdot4!} \)?
Explanation opens after your attempt
Correct Answer
A. \( \frac{5}{7} \)
Concept
Using (6!) and \(5!=5\cdot4!\), the value becomes \( \frac{5}{7} \). In products, cancel smaller factorials carefully.
Why this answer is correct
The correct answer is A. \( \frac{5}{7} \). Using (6!) and \(5!=5\cdot4!\), the value becomes \( \frac{5}{7} \). In products, cancel smaller factorials carefully.
Exam Tip
(6!) और \(5!=5\cdot4!\) रखने पर मान \( \frac{5}{7} \) आता है। गुणन में छोटे फैक्टोरियल काटना आसान होता है।
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