(19)/(e^(2n)+1)

" 19."int(1)/((e^(x)-1)(e^(x)+3))dx

int (e ^ (x) + (1) / (e ^ (n))) ^ (2)

Lt_(n rarr oo)(1)/(n)[e^((1)/(n))+e^((2)/(n))+....+e^((n)/(2))]

If S= tan^(-1) ((1)/(n^(2) +n+1)) + tan^(-1) ((1)/(n^(2) + 2n+ 3))+ ….+ tan^(-1) ((1)/(1+(n+19) (n+20))) , then tan (s) is equal to

The value of lim_(ntooo) [(1)/(n)+(e^(1//n))/(n)+(e^(2//n))/(n)+...+(e^((n-1)//n))/(n)] is

The value of lim_(ntooo) [(1)/(n)+(e^(1//n))/(n)+(e^(2//n))/(n)+...+(e^((n-1)//n))/(n)] is

Q.prove that int(e^(n+(1)/(n))+n(1-(1)/(n^(2)))*e^(n+(1)/(n)))dn=n*e^(n+(1)/(n))+C

The value of lim_(ntooo) (1)/(n)[e^(1/n)+e^(2/n)+...+e] is

The value of ("lim")_(xvec0)[1/n+(e^(1/n))/n+(e^(2/n))/n++(e^((n-1)/n))/n]i s 1 (b) 0 (c) e-1 (d) e+1