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

Sum of the following series to n term: 1/(1* 4)+1/(4* 7)+1/(7*10)+ ...............

Sum of the following series to n term: 1/(1* 4)+1/(4* 7)+1/(7*10)+ ...............

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

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

If A= 1/(1xx2)+1/(1xx4)+1/(2xx3)+1/(4xx7)+ 1/(3xx4)+1/(7xx10) ...... upto 20 terms, then what is the value of A? यदि 1/(1xx2)+1/(1xx4)+1/(2xx3)+1/(4xx7)+ 1/(3xx4)+1/(7xx10).....20 पदों तक हो, तो A का मान क्या है?

((1)/(1.4 )+ (1)/(4.7 ) +(1)/(7.10 )+(1)/(10.13 )+(1)/(13.16)) is equal to

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

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