`1-2+2^(2)-2^(3)+.........10` terms is

The sum of series 1/(1-3.1^2+1^4)+2/(1-3.3^2+2^4)+3/(1-3.3^2+3^4)+......... up to 10 terms, is equal to

The sum of the series: 1+(1)/(1+2)+(1)/(1+2+3)+...... upto 10 terms is :

The sum (3 xx 1^(3))/(1^(2)) + (5 xx (1^(3) + 2^(3)))/(1^(2) + 2^(2)) + (7 xx (1^(3) + 2^(3) + 3^(3)))/(1^(2) +2^(2) + 3^(2))... upto 10th term is

The sum of the serieslebrge (1+2)+(1+2+2^(2))+(1+2+2^(2)+2^(3))+.. to n term is

STATEMENT-1 : If 1^(2) - 2^(2) + 3^(2) …….."to" 21 terms is 231 STATEMENT-2 : If 1^(3) - 2^(3) + 3^(3) - 4^(5) ……….. to 15 terms is 1856 STATEMENT-3 : If 1^(1) + 3^(2) + 5^(2) …….. to 8 terms is 689

STATEMENT-1 : If 1^(2) - 2^(n) + 3^(2) …….."to" 21 terms is 231 STATEMENT-2 : If 1^(3) - 2^(3) + 3^(3) - 4^(5) ……….. to 15 terms is 1856 STATEMENT-3 : If 1^(1) + 3^(2) + 5^(2) …….. to 8 terms is 689

((1)/(2), (2)/(2) )/(1^3) + ((2)/(2) , (3)/(2) )/( 1^3 + 2^3) + ((3)/(2) , (4)/(2) ) / (1^(3) + 2^(3) + 3^(3) ) + ..... n terms

The sum of the series : 1 + (1)/(1 + 2) + (1)/(1 + 2 + 3)+ .... up to 10 terms, is

The sum of the series: 1+(1)/(1+2)+(1)/(1+2+3)+.... upto 10 terms,is :

The sum of the series : 1 + (1)/(1 + 2) + (1)/(1 + 2 + 3)+ .... up to 10 terms, is