" The sum of infinite terms of the series,"1+(2)/(3)+(6)/(3^(2))+(10)/(3^(3))+(14)/(3^(4))+...+" upto "oo" terms "

The sum of infinite terms of the series 5 - 7/3 + (9)/(3 ^(2)) - (11)/( 3 ^(3))+……..o is

The sum to infinity of the series : 1+ ( 2)/( 3) + ( 6)/( 3^(2)) +( 10)/( 3^(3))+ ( 14) /( 3^(4)) + "..........." is :

FInd the sum of infinite terms of the series (1)/(1.2.3)+(1)/(2.3.4)+(1)/(3.4.5)....

Sum of infinite terms of series 3+5.(1)/(4)+7.(1)/(4^(2))+.... is

FInd the sum of infinite terms of the series 1/(1.2.3)+1/(2.3.4)+1/(3.4.5).....

The sum of the series (7)/(1^(3)*2^(3))+(19)/(2^(3)*3^(3))+(37)/(3^(3)*4^(3))+.... upto oo

Find the sum of the series upto infinite terms (3)/(4)-(5)/(4^(2))+(3)/(4^(3))-(5)/(4^(4))+...

The sum of the series (2)/(1.2)+(5)/(2.3)2^(1)+(10)/(3.4)2^(2)+(17)/(4.5)2^(3)+.... upto n terms is equal: