`1-2a-2a^2+4a^3`

Similar Questions

Explore conceptually related problems

Sum of the series 1+2.2+3.2^2 +4.2^3+.....+100.2^99 is

1+2.2+3.2^2+4.2^3+....100.2^99 equals

The sum of the series 1 + 2.2 + 3.2^(2) + 4.2^(3) + 5.2^(4) + ……… + 100.2^(99) is

Find the sum to n terms of the series 1/(1 + 1^2 + 1^4) + 2/(1 + 2^2 + 2^4) + 3/(1 + 3^2 + 3^4) + ...

The coefficients of x^3 in ((1-4x)^2 (1-2x^2)^(1//2))/((4-x)^(3//2)) is

Sum of 25 terms of the series 1+2 . 2+3 . 2^(2)+4 . 2^(3)+5 . 2^(4)+..

1+2.2+3.2^(2)+4.2^(3)+......+n.2^(n-1)