Derivative of a Function

# Derivative of a Function Video Lecture | Mathematics (Maths) for JEE Main & Advanced

## Mathematics (Maths) for JEE Main & Advanced

209 videos|443 docs|143 tests

## FAQs on Derivative of a Function Video Lecture - Mathematics (Maths) for JEE Main & Advanced

 1. What is the derivative of a function?
The derivative of a function represents the rate at which the function is changing at any given point. It measures the slope of the tangent line to the function's graph at that point.
 2. How is the derivative of a function calculated?
The derivative of a function can be calculated using differentiation techniques. This involves finding the limit of the difference quotient as the interval approaches zero. Differentiation rules, such as the power rule, product rule, and chain rule, are used to simplify the process of finding the derivative of more complex functions.
 3. What is the significance of the derivative in calculus?
The derivative has several important applications in calculus. It helps determine the critical points of a function, where the derivative is equal to zero or undefined. It also helps analyze the behavior of a function, such as finding maximum and minimum values, determining concavity, and identifying points of inflection.
 4. Can the derivative of a function be negative?
Yes, the derivative of a function can be negative. The sign of the derivative indicates the direction of the function's change. A negative derivative indicates a decreasing function, while a positive derivative indicates an increasing function. The value of the derivative, whether positive or negative, represents the rate of change.
 5. How can the derivative be used to find the slope of a tangent line?
The derivative of a function at a specific point gives the slope of the tangent line to the graph of the function at that point. By evaluating the derivative at the desired point, the slope of the tangent line can be determined. This slope represents the instantaneous rate of change of the function at that particular point.

## Mathematics (Maths) for JEE Main & Advanced

209 videos|443 docs|143 tests

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