यदि (\frac{(n+3)!-(n+2)!}{(n+1)!}=196) है तो (n) का मान क्या है?

If (\frac{(n+3)!-(n+2)!}{(n+1)!}=196) then what is the value of (n)?

Explanation opens after your attempt
Correct Answer

C. (12)

Step 1

Concept

The numerator becomes ((n+2)!((n+3)-1)). So ((n+2)2=196) gives (n=12).

Step 2

Why this answer is correct

The correct answer is C. (12). The numerator becomes ((n+2)!((n+3)-1)). So ((n+2)2=196) gives (n=12).

Step 3

Exam Tip

ऊपर ((n+2)!((n+3)-1)) बनता है। इसलिए मान ((n+2)2=196) से (n=12) मिलता है।

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Mathematics Answer, Explanation and Revision Hints

यदि (\frac{(n+3)!-(n+2)!}{(n+1)!}=196) है तो (n) का मान क्या है? / If (\frac{(n+3)!-(n+2)!}{(n+1)!}=196) then what is the value of (n)?

Correct Answer: C. (12). Explanation: ऊपर ((n+2)!((n+3)-1)) बनता है। इसलिए मान ((n+2)2=196) से (n=12) मिलता है। / The numerator becomes ((n+2)!((n+3)-1)). So ((n+2)2=196) gives (n=12).

Which concept should I revise for this Mathematics MCQ?

The numerator becomes ((n+2)!((n+3)-1)). So ((n+2)2=196) gives (n=12).

What exam hint can help solve this Mathematics question?

ऊपर ((n+2)!((n+3)-1)) बनता है। इसलिए मान ((n+2)2=196) से (n=12) मिलता है।