video on the introduction of concept of derivatives

Class: 11Medium: EnglishChapter: Limits and Derivatives

To find intervals in which the given function f is strictly increasing and strictly decreasing.

Class: 12Medium: MalayalamChapter: Application of Derivatives

In the animation the tangent moves along the exponential function.Think why the circle remains with constant radius.

Class: 12Medium: EnglishChapter: Continuity and Differentiability

In the graph ,as the animation works, the point A moves on the curve log(x) and correspondingly F traces on the curve 1/x (in red).

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Class: 12Medium: EnglishChapter: Application of Derivatives

Tangent line is the limiting case of Secant line. Slope of tangent line is the limit of slopes of Secant lines , that is the derivative.