A. 1.2sq.cm
B. 1.4sq.cm
C. 2.4sq.cm
D. 3.6sq.cm
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=
The angle between the curves y2=x, x2=y at (1, 1) is
The function f(x)=√9-x2 is increasing in