( \frac{(n+3)!}{(n-1)!(n+2)(n+1)} ) का सरल रूप क्या है?
What is the simplified form of ( \frac{(n+3)!}{(n-1)!(n+2)(n+1)} )?
Explanation opens after your attempt
Correct Answer
A. (n(n+3))
Concept
The numerator is ((n+3)(n+2)(n+1)n(n-1)!). After cancellation, (n(n+3)) remains.
Why this answer is correct
The correct answer is A. (n(n+3)). The numerator is ((n+3)(n+2)(n+1)n(n-1)!). After cancellation, (n(n+3)) remains.
Exam Tip
ऊपर ((n+3)(n+2)(n+1)n(n-1)!) है। काटने पर (n(n+3)) बचता है।
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