Home
Class 11
MATHS
If the function f(x)=Kx^3-9x^2+6x+3 is i...

If the function `f(x)=Kx^3-9x^2+6x+3` is increasing `Aax in R` then `K in`

A

`(-oo,0)`

B

`(-oo,9/2)`

C

`(9/2,oo)`

D

`(3,4)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • MAXIMA & MINIMA

    AAKASH SERIES|Exercise EXERCISE-II|88 Videos

  • MAXIMA & MINIMA

    AAKASH SERIES|Exercise EXERCISE-III|35 Videos

  • MAXIMA & MINIMA

    AAKASH SERIES|Exercise SYNOPSIS|22 Videos

  • MATRICES

    AAKASH SERIES|Exercise LINEAR EQUATIONS - PRACTICE EXERCISE|15 Videos

  • MAXIMA AND MINIMA

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II (PRACTICE SHEET )(ADVANCED)) (INTEGER TYPE QUESTIONS)|3 Videos

Similar Questions

Explore conceptually related problems

The function f(x) =3+12x-9x^2+2x^3 is increasing in

The function f(x)=9x^2-15x-x^3+10 is increasing in

The function f(x) =x^3-9x^2+15x+25 is decreasing in

The function f(x) =3x^2-4x is increasing in

The function f(x) =10 -x^3+3x is increasing in

If f(x) =kx^3-9x^2+9x+3 is increasing on R,then

The function f(x) sqrt(9-x^2) is increasing in

If the function f(x) =2x^2-kx+5 is increasing on [1,2] then k lies in the interval

Find the intervals in which the function f(x) = x^(3) - 3x^(2) + 4 is strictly increasing for all x in R