A. Increasing in (-1, 1).
B. Decreasing (-1, 1)
C. Max at x=0
D. Min at x=0
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
The point on y=x2+7x+2 which is closest to the line y=3x-3 is
The two curves 2x2+y2=20, x2-4y2+8=0
The equation of the tangent to the curve y2=4x+5 and which is parallel to0 y=2x+7 is
The equation of the tangent to the curve y2=4ax at (at2, 2at) is