(\frac{(n+2)!}{n!}) का सरल रूप क्या है?
What is the simplified form of (\frac{(n+2)!}{n!})?
Explanation opens after your attempt
Correct Answer
C. ((n+2)(n+1))
Concept
((n+2)!=(n+2)(n+1)n!), so (n!) cancels. The remaining part is ((n+2)(n+1)).
Why this answer is correct
The correct answer is C. ((n+2)(n+1)). ((n+2)!=(n+2)(n+1)n!), so (n!) cancels. The remaining part is ((n+2)(n+1)).
Exam Tip
((n+2)!=(n+2)(n+1)n!), इसलिए (n!) कट जाएगा। शेष ((n+2)(n+1)) है।
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