यदि ( \frac{(n+2)!+(n+1)!}{(n+1)!}=14 ), तो (n) का मान क्या है?
If ( \frac{(n+2)!+(n+1)!}{(n+1)!}=14 ), what is the value of (n)?
Explanation opens after your attempt
C. (11)
Concept
The simplified form is (n+3). Thus (n+3=14) and (n=11).
Why this answer is correct
The correct answer is C. (11). The simplified form is (n+3). Thus (n+3=14) and (n=11).
Exam Tip
सरल रूप (n+3) है। इसलिए (n+3=14) और (n=11)।
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