श्रेणी `1+(2)/(3)+(6)/(3^(2))+(10)/(3^(3))+(14)/(3^(4))`+...अनन्त पदों का योगफल है-

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

1+2/3+6/(3^2)+10/(3^3)+14/(3^4)+...oo=

[(5(1)/(3)+3(2)/(3))*(6(2)/(3)*4(3)/(4))-:(3)/(2)]2/6

-(3)/(7)xx(6)/(5)+(1)/(10)xx(3)/(2)-(6)/(5)xx(1)/(14)

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

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

3(1)/(12)-[1(3)/(4)+{2(1)/(2)-(1(1)/(2)-(1)/(3))}] का मान है -