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
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 slope of the tangent to the curve y = 3 x2 +3 sinx at x = 0 is
3
2
1
-7
If the length of the diagonal of a square is increasing at the rate of 0.1 cm/sec. What is the rate of increase of its area when the side is 15/√2 cm ?
5
3√2
0. 15
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
The value of
If the length of the diagonal of a square is increasing at the rate of 0.2 cm/sec,then the rate of increase of its area when the side is is
3cm2/sec
-2
-1
For the curve x = t2-1, y = t2 - t, the tangent is perpendicular to x - axis when
t = 0
t = 1
The angle between the curves y = x2 and x = y2 at their point of intersection other than the origin is
