Home
Class 12
MATHS
If y = f(x) and y^(4) - 4y + x = 0. If f...

If `y = f(x)` and `y^(4) - 4y + x = 0`. If `f (-8) = 2`, then the value of `|28 f' (- 8)|` is

Text Solution

Verified by Experts

The correct Answer is:
1
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • LIMITS AND DERIVATIVES

    AAKASH INSTITUTE|Exercise Section - H|2 Videos

  • LIMITS AND DERIVATIVES

    AAKASH INSTITUTE|Exercise Section - I|6 Videos

  • LIMITS AND DERIVATIVES

    AAKASH INSTITUTE|Exercise Section - F|3 Videos

  • INVERSE TRIGONOMETRIC FUNCTIONS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - J)(ANKASH CHALLENGERS QUESTIONS)|4 Videos

  • MATHEMATICAL REASONING

    AAKASH INSTITUTE|Exercise Assignment (SECTION-D) (Assertion-Reason Type Questions)|15 Videos

Similar Questions

Explore conceptually related problems

If 2f(x+y)=f(x).f(y) for all real x, y. where f'(0)=3 and f(4)=25 , then the value of f'(4) is equal to

Let X be the set of all positive integers greater than or equal to 8 and let f:X rarr X be a function such that f(x+y)=f(xy) for a>=4,y>=4, If f(8)=8, then the value of f(20) is

Knowledge Check

  • If x^(2) + y^(2) - 4 x - 4y + 8 = 0 then the value of x - y is

    A
    4
    B
    `-4`
    C
    0
    D
    8

  • If x^(2) + y^(2) - 4x - 4y + 8 = 0 , then find the value of x-y.

    A
    4
    B
    `=4`
    C
    0
    D
    8

  • If f (x + y) = f(x) + 2y^(2) + kxy and f(a) = 2, f(b) = 8, then f(x) is of the form

    A
    `2x^(2)`
    B
    `2x^(2) + 1 `
    C
    `2x^(2) - 1`
    D
    `x^(2)`

    • Similar Questions

    Explore conceptually related problems

    If f(2(x)/(y))=f(2x)-f(y) for all x,y>0 and f(3)=2, then the value of [f(7)], is

    If y=f(x)=3x^2+2x+4 , then value of y at x=f(2) will be

    If (x+f(y))=f(x)+y AA x,y in R and f(0)=1 then find the value of f(7).

    If the normal to differentiable curve y = f(x) at x = 0 be given by the equation 3x-y + 3 = 0 , then the value of lim_(x->0) x^2(f(x^2)-5f(4x^2)+ 4f(7x^2)) is

    If (x-y,x+y)=(2,8), then the values of x and y are respectively.

    Home
    Profile