`((2n+ 1)!)/(n!)=`

((n+2)!-(n+1)!)/(n!)=

lim_ (n rarr oo) n ^ (- n ^ (2)) ((n + 1) (n + (1) / (2)) (n + (1) / (2 ^ (2))) .... (n + (1) / (2 ^ (n-1)))) ^ (n)

The value of C_1/2+C_3/4+C_5/6+………. is equal to (A) (2^n=1)/(n-10 (B) 2^n/(n=1) (C) (2^n+1)/(n+1) (D) (2^n-1)/(n+1)

lim_(ntooo) ((n^(2)-n+1)/(n^(2)-n-1))^(n(n-1)) is equal to

lim_(ntooo) ((n^(2)-n+1)/(n^(2)-n-1))^(n(n-1)) is equal to

Lt_(ntooo)((n+2)!+(n+1)!)/((n+2)!-(n+1)!)

Lim_(nrarroo)((n+2)!+(n+1)!)/((n+2)!-(n+1)!)