(\frac{(n+3)!}{(n+1)!}) का सरल रूप क्या है?
What is the simplified form of (\frac{(n+3)!}{(n+1)!})?
Explanation opens after your attempt
Correct Answer
B. ((n+3)(n+2))
Concept
((n+3)!=(n+3)(n+2)(n+1)!), so the remaining part is ((n+3)(n+2)). Cancel the common factorial part.
Why this answer is correct
The correct answer is B. ((n+3)(n+2)). ((n+3)!=(n+3)(n+2)(n+1)!), so the remaining part is ((n+3)(n+2)). Cancel the common factorial part.
Exam Tip
((n+3)!=(n+3)(n+2)(n+1)!), इसलिए शेष ((n+3)(n+2)) है। समान क्रमगुणित भाग काटें।
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