Showing posts with the label derivative

Differentiation from the First Principle

$ \displaystyle \frac{{dy}}{{dx}}=\underset{{\delta x\to 0}}{\mathop{{\lim }}}\,\frac{{\delta y}}{{…

Calculus : Tangent Line and Normal Line

Find the equation of the normal to the curve $ \displaystyle y = 1 - x^2$ at the point where the c…

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