( \frac{(n+4)!-(n+3)!}{(n+2)!} ) का सरल रूप क्या है?
What is the simplified form of ( \frac{(n+4)!-(n+3)!}{(n+2)!} )?
Explanation opens after your attempt
A. ((n+3)2)
Concept
((n+4)!-(n+3)!=(n+3)!((n+4)-1)). Therefore ((n+3)2) is obtained.
Why this answer is correct
The correct answer is A. ((n+3)2). ((n+4)!-(n+3)!=(n+3)!((n+4)-1)). Therefore ((n+3)2) is obtained.
Exam Tip
((n+4)!-(n+3)!=(n+3)!((n+4)-1)) है। इसलिए ((n+3)2) मिलता है।
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