The slope of the normal to the curve y = 3 x2 at the point where x - co ordinate 2 is
1/13
1/14
-1/12
1/12
What is the surface area of a sphere when the volume is increasing at the same rate as its radius?
1
1/2λ
4λ
The value of
The distance x meters described by a car in time t seconds is given by x = 3 t2 - 2 t2 + 4 t - 1. Determine the velocity when t = 0
4
5
6
7
The angle between the curves y = x2 and x = y2 at their point of intersection other than the origin is
The gradient of the curve y = at x = 2 is
-20
27
-16
-21
The equation of the normal to the curve Q = 1/t at the point (-3,-1/3) is
3 Q = 27 t - 80
5 Q = 27 t - 80
3 Q = 27 t + 80
Q = 1/t
If V=,at what rate in cubic unit S in V increasing , where r =10 and =0.01 ?
The angular displacement Θ radians of a fly wheel varies with time t seconds and follows the equation θ =9 t2 -2 t3 .Determine the angular velocity of the fly wheel when time t = 1 second
10
12
14
16
The point on the curve y =2 x2 - 6 x - 4 at which the tangent is parallel to the x - axis is