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### Course: Class 11 Math (India) - Hindi > Unit 8

Lesson 1: Average vs. instantaneous rate of change- Playing with the slope of a line (Hindi)
- Secant lines & average rate of change
- Derivative notation review
- Derivative as slope of curve (Hindi)
- Derivative as slope of curve
- The derivative and tangent line equations (Hindi)
- The derivative & tangent line equations
- Interpreting derivative challenge (Hindi)

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# The derivative and tangent line equations (Hindi)

The derivative of a function gives us the slope of the line tangent to the function at any point on the graph. This can be used to find the equation of that tangent line.