Use logarithmic differentiation to find dy/dx. y = (x+1)(x−9) (x−1)(x+9), x > 9

Use logarithmic differentiation to find dy/dx. y = (x+1)(x−9) (x−1)(x+9), x > 9

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Use logarithmic differentiation to find d y / d x .
y = ( x + 1 ) ( x 9 ) ( x 1 ) ( x + 9 ) , x > 9

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