Home
Class 12
MATHS
Statement 1 The sum of first n terms of ...

Statement 1 The sum of first n terms of the series `1^(2)-2^(2)+3^(2)-4^(2)_5^(2)-"……"` can be `=+-(n(n+1))/(2)`. Statement 2 Sum of first n narural numbers is `(n(n+1))/(2)`

Promotional Banner

Similar Questions

Explore conceptually related problems

Sum of n terms of the series (2n-1)+2(2n-3)+3(2n-5)+.... is

Find the sum of first n terms of the following series : 1.2^(2) + 2.3^(2) + 3.4^(2)+…

Sum of n terms of the series (2n-1)+2(2n-3)+3(2n-5)+... is

Sum of n terms of the series (2n-1)+2(2n-3)+3(2n-5)+... is

The sum of first n terms of the series 1^(2) + 2.2^(2) + 3^(2) + 2.4^(2) + 5^(2) + 2.6^(2) + ….is (n(n+1)^(2))/(2) when n is odd the sum is

The sum to n terms of the series (n^(2)-1^(2))+2(n^(2)-2^(2))+3(n^(2)-3^(2))+ . . . . , is

The sum to n terms of the series (n^(2)-1^(2))+2(n^(2)-2^(2))+3(n^(2)-3^(2))+ . . . . , is

Find the sum of first n term of the following series 1+(1+2)+(1+2+2^2)+ …..

The sum of n terms of the series 1+2 (1 + (1)/(n)) +3 (1+ (1)/(n))^(2) + ….is