A. 0
B. 1
C. -1
D. 2
If the sum of the roots of the equation 5x2-4x+2+k(4x2-2x-1)=0 is 6,then k=
The least integral value of x for which 33-x(2+3x)>0 is
If the tangent at the point P (2,4) to the parabola y2= 4ax meets the parabola y2= 8x + 5 at Q and R, then the midpoint of QR is