( \frac{(n+2)!+(n+1)!}{n!} ) का सरल रूप क्या है?
What is the simplified form of ( \frac{(n+2)!+(n+1)!}{n!} )?
Explanation opens after your attempt
Correct Answer
B. ( (n+1)(n+3) )
Concept
((n+1)!) is common in both terms, so the simplified form is ((n+1)(n+3)). Take the common factorial out first.
Why this answer is correct
The correct answer is B. ( (n+1)(n+3) ). ((n+1)!) is common in both terms, so the simplified form is ((n+1)(n+3)). Take the common factorial out first.
Exam Tip
दोनों पदों में ((n+1)!) सामान्य है, इसलिए सरल रूप ((n+1)(n+3)) है। पहले सामान्य फैक्टोरियल बाहर निकालें।
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