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March 25, 2017

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Find the slope m of the tangent to the curve
y = 3/√ x at the point where x = a > 0

  • Math - ,

    y = 2x^(-1/2)
    dy/dx = -x^(-3/2)
    = -1/(√x)^3

    so for x = a , a>0
    dy/dx = -1/(√a)^3

  • Math - ,

    good math, bad reading. :-(

  • Math - ,

    Oh well, 2 or 3 , close enough.
    blame it on "oldsheimers"

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