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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

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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)`