" (v) "(1)/(1*4)+(1)/(4*7)+(1)/(7*10)+dots

(1)/(1*4*7)+(1)/(4*7*10)+(1)/(7*10*13)+

For all ninNN , prove by principle of mathematical induction that, (1)/(1*4)+(1)/(4*7)+(1)/(7*10)+ . . . to terms =(n)/(3n+1) .

Find the sum to n terms of each of the following series : (1)/(1.4) + (1)/(4.7) + (1)/(7.10)+…

Sum of infinite series (1)/(1*4)+(1)/(4*7)+(1)/(7*10)+......oo is

If S_(n) = (1)/(1.4)+(1)/(4.7) + (1)/(7.10) +……. to n terms, then lim_(n rarr oo) S_(n) equals :

Find the sum of the series : (1)/(1.4)+(1)/(4.7)+(1)/(7.10)+.... to n terms.

underset(n to oo)lim {(1)/(1.4)+(1)/(4.7)+(1)/(7.10)+....+(1)/((3n-2)(3n+1))}=

Sum to n terms of the series (1)/(1.4.7) + (1)/(4.7.10) + (1)/(7.10.13) +…….

Let S=(1)/(1.4)+(1)/(4.7)+(1)/(7.10)+....+n terms observe the following lists