If `-1+i` is a root of `x^(4)+4x^(3)+5x^(2)+2x+k=0` then k=

(b) Find the square root of 4x^(4) - 4x^(3) + 5x^(2) -2x +1

If k_(1) and k_(2) are roots of x^(2) - 5x - 24 = 0 , then find the quadratic equation whose roots are -k_(1) and -k_(2) .

If k sqrt(-1) is a roots of the equation x^(4)+6x^(3)-16x^(2)+24x-80=0 then k=

If the product of the roots of 5x^(2)-4x+2+m(4x^(2)-2x-1)=0 is 3, then m=

If the products of the roots of 5x^(2)-4x+38+k(-4x^(2)-2x-1)=0 is -5 then the value of k is

If -2 is a root of the equation 3x^(2)+7x+p=0, find the value of k so that the roots of the equation x^(2)+k(4x+k-1)+p=0 are equal.

Find the value of k, if (x-1) is a factor of 4x^(3)+ 3x^(2)-4x+k .

If sin theta,sin k theta are the roots of 4x^(2)+2x-1=0, then k=