( \frac{(n+6)!}{(n+2)!}-\frac{(n+5)!}{(n+1)!} ) का सरल रूप क्या है?
What is the simplified form of ( \frac{(n+6)!}{(n+2)!}-\frac{(n+5)!}{(n+1)!} )?
Explanation opens after your attempt
A. (4(n+5)(n+4)(n+3))
Concept
Taking common ((n+5)(n+4)(n+3)), the difference is ((n+6)-(n+2)=4). Identify common factors first.
Why this answer is correct
The correct answer is A. (4(n+5)(n+4)(n+3)). Taking common ((n+5)(n+4)(n+3)), the difference is ((n+6)-(n+2)=4). Identify common factors first.
Exam Tip
सामान्य ((n+5)(n+4)(n+3)) निकालने पर अंतर ((n+6)-(n+2)=4) है। पहले समान गुणकों को पहचानें।
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