A. (1, 1) only
B. (±1, 1)
C. (1, ±1)
D. (-1, 1) only
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 2x3-9x2-24x+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:
The equation of the normal to the curve 3y2=4x+1 at (1, 2) is
The angle between the curves y=x2 and y=4-x2 is
If the normal to the curve x3-y2 =0 at (m2, -m3) is y=mx-2m3, then the value of m2 is
The curves y=x2-1, y=8x-x2-9 touch each other at the point (2, 3). The equation of the common normal is
If the subnormal of the curve xyn=an+1 is constant, then the value of n is
The equation of tangent to the curve y=x+9/x+5 so that is passes through the origin is