( \frac{(n+6)!-(n+5)!}{(n+4)!} ) का सरल रूप क्या है?
What is the simplified form of ( \frac{(n+6)!-(n+5)!}{(n+4)!} )?
Explanation opens after your attempt
Correct Answer
A. ( (n+5)2 )
Concept
((n+6)!-(n+5)!=(n+5)!((n+6)-1)). Therefore the answer is ((n+5)2).
Why this answer is correct
The correct answer is A. ( (n+5)2 ). ((n+6)!-(n+5)!=(n+5)!((n+6)-1)). Therefore the answer is ((n+5)2).
Exam Tip
((n+6)!-(n+5)!=(n+5)!((n+6)-1)) है। इसलिए उत्तर ((n+5)2) है।
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