A. 1, 5

B. 1, -5

C. 2, 3

D. 2, -3

If x is real, the maximum value of 3x^{2}+9x+17/3x^{2}-9x+17 is

If there is a possible error of 0.02 cm in the measurement of the diameter of a spare then the possible percentage error in its volume when the radius 10 cm is

The maximum value of x^{4}+3x^{3}-2x^{2}-9x+6 is

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