Value of `lim_(n->oo)sum_(r=1)^ntan^(-1)(1/(2r^2))` is

lim_(nrarroo)tan(sum_(r=1)^ntan^(-1)(1/(r^2+r+1)))

lim_(n to oo)sum_(r=1)^(n)cot^(-1)(r^(2)+3//4) is

The value of the lim_(n rarr oo)tan{sum_(r=1)^(n)tan^(-1)((1)/(2r^(2)))}_( is equal to )

The value of lim_(ntooo)sum_(r=1)^(n)cot^(-1)((r^(3)-r+1/r)/2) is

Find the value of lim_(n to oo) (tan(sum_(r=1)^(n) tan^(-1)((4)/(4r^(2)+3)))) .

The value of lim_(n rarr oo)sum_(r=1)^(n)(1)/(sqrt(n^(2)-r^(2)x^(2))) is

Let L=lim_(n rarr oo)sum_(r=1)^(n)tan^(-1)((1)/(2^(r+1)+(1)/(2^(g)))) then the value of cot L is equal to ])

lim_(n to oo) sum_(r=1)^(n) (1)/(n)e^(r//n) is

Evaluate :lim_(n rarr oo)sum_(r=1)^(n)(1)/((n^(2)+r^(2))^(1/2))