A. 10unit/sec
B. 0
C. 8/3unit/sec
D. -3unit/sec
The approximate value of cos 610, given that 10=0.1745 radian is
If there is a possible error of 0.01 cm in the measurement of side of a cube, the possible error in its surface area when the side is 10 cm is
If θ is the angle between the curves y2=4ax, ay=2x2 at (a, 2a) then tan θ=
The set of all values of a for which the function f(x)=(a2-3a+2)(cos2x/4-sin2x/4)+(a-1)x+sin 1 does not possess critical points is
The least value of (x-a) (x-b) occurs at x=
F(x)= tan-1 x is
The approximate value of 4√80 is
The curve whose subtangent is twice the abscissa of the point of contact and passing through (1,2) is
The subnormal to the curve y=ax at any point varies directly as
If the tangent at the point (at2, at3) on the curve ay2=x3 meets the curve again at Q, then Q=