यदि ( \frac{(n+6)!-(n+5)!}{(n+4)!}=196 ), तो (n) का मान क्या है?
If ( \frac{(n+6)!-(n+5)!}{(n+4)!}=196 ), what is the value of (n)?
Explanation opens after your attempt
B. (9)
Concept
The simplified form is ((n+5)2). Since (n+5=14), (n=9).
Why this answer is correct
The correct answer is B. (9). The simplified form is ((n+5)2). Since (n+5=14), (n=9).
Exam Tip
सरल रूप ((n+5)2) है। (n+5=14), इसलिए (n=9)।
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