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For what value of x is the tangent to the curve y = x\(^2\) - 4x + 3 parallel to...



Dicussion (1)

  • The gradient of the curve would be parallel when the gradient if the curve is 0, I.e, d(y)/dx = 0
    Therefore:
    d(x² - 4x + 3)/dx = 0
    2x - 4 = 0
    2x = 4
    X = 2