A tangent is drawn to the parabola at the point ‘’ whose abscissa lies in the interval (1, 4). The maximum possible area of the triangle formed by the tangent at ‘’ ordinates of the point ‘’ and the –axis is equal to |
|||||||
a) |
8 |
b) |
16 |
c) |
24 |
d) |
32 |
A tangent is drawn to the parabola at the point ‘’ whose abscissa lies in the interval (1, 4). The maximum possible area of the triangle formed by the tangent at ‘’ ordinates of the point ‘’ and the –axis is equal to |
|||||||
a) |
8 |
b) |
16 |
c) |
24 |
d) |
32 |
(b)
Tangent at point is when slope of tangent is tan
Now required area is
Now , then occurs when