A curve has a gradient function px^2-4x where p is a constant. The tangent to the curve at the point (1,3) is parallel to the straight line y+x-5=0 ?
Can anyone explain gradient function and what is tangent to the point.?? Please explain the concept. I dont understand it.

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umm the gradient function \(\ f'(x)=px^2-4x \) according to the question

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