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Find the interval in which f(x) = xsqrt(...

Find the interval in which `f(x) = xsqrt(4ax-x^2), (alt0)` is decreasing

Text Solution

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The correct Answer is:
`[4a , 3a]`
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Knowledge Check

  • The function f(x)=xsqrt(ax-x^2), a lt 0

    A
    increases on the interval (0,3a/4,a)
    B
    decreases on the interval (,3a/4)
    C
    decreases on the interval (0,3a/4)
    D
    increases on the inteval (3a/4,a )

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