If roots of `x ^(2) + kx + 12 =0` are in the ratio `1 :3` find k.

If the roots of 2x^(3)+kx^(2)-x+1=0 are in H.P then k=

If 2 is a root of the equation x^(2) + kx +12=0 and the equation x^(2)+kx +q=0 has equal roots, find the value of q.

If 9x^(2) + kx + 1 = 0 has equal roots, find the value of k.

If the roots of 9x^(2)+3kx+4=0 are unequal then find the value of k

The roots of x^(2)+kx+k=0 are real and equal, find k.

The roots of x^(2)+kx+k=0 are real and equal, find k.

If alphaandbeta are roots of the equation x^(2)+kx+12=0andalpha-beta=1 , find k.

If the roots of the equation kx^2 + (k- 1) x - 1 = 0 are equal then find the value of k.

If one root of equation 3x(2) + kx + 81 = 0 (having real roots) is the square of the other then find k.