( \frac{\frac{(n+3)!}{n!}}{n+3} ) का सरल रूप क्या है?
What is the simplified form of ( \frac{\frac{(n+3)!}{n!}}{n+3} )?
Explanation opens after your attempt
D. ( (n+2)(n+1) )
Concept
The upper ratio is ((n+3)(n+2)(n+1)). Dividing by (n+3) leaves ((n+2)(n+1)).
Why this answer is correct
The correct answer is D. ( (n+2)(n+1) ). The upper ratio is ((n+3)(n+2)(n+1)). Dividing by (n+3) leaves ((n+2)(n+1)).
Exam Tip
ऊपर का अनुपात ((n+3)(n+2)(n+1)) है। (n+3) से भाग देने पर ((n+2)(n+1)) बचता है।
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