A. 11

B. 3/8

C. 3

D. 12

The points on the curve y=x^{2}+√1-x^{2} at which the tangent is perpendicular to x-axis are

If an error of 0.02cm is made while measuring the radius 10cm of a sphere, then the error in the volume is

The stationary points of 2x^{3}-9x^{2}-24x+16 are

If y= ax+b/(x-1)(x-4) has a maximum value at the point (2, -1) then

The approximate percentage reduction in the volume of a cube of ice, if each side of the ice cube to reduced by 0.7% due to melting to: