SaraNextGen.Com

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



Question ID - 55850 | SaraNextGen Top Answer

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

1 Answer
127 votes
Answer Key / Explanation : (b) -

(b)

Tangent at point  is  when slope of tangent is tan

Now required area is

Now , then  occurs when

   

127 votes


127