Video: Continuity of a Function

# Video: Continuity 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 Video: Continuity of a Function Video Lecture - Mathematics (Maths) for JEE Main & Advanced

 1. What is continuity of a function?
Ans. Continuity of a function refers to the property of a function where there are no abrupt changes or jumps in its values as the input variable changes. In other words, a function is continuous if its graph can be drawn without lifting the pencil from the paper.
 2. How is continuity of a function defined mathematically?
Ans. Mathematically, a function f(x) is said to be continuous at a point x = c if three conditions are satisfied: 1. The function is defined at x = c. 2. The limit of f(x) as x approaches c exists. 3. The limit of f(x) as x approaches c is equal to the value of f(c).
 3. What are the types of discontinuities in a function?
Ans. There are three main types of discontinuities in a function: 1. Removable Discontinuity: This occurs when there is a hole or gap in the graph of the function, but it can be filled by redefining the function at that point. 2. Jump Discontinuity: This occurs when there is a sudden jump or gap in the graph of the function, where the left and right limits exist but are not equal. 3. Infinite Discontinuity: This occurs when the function approaches positive or negative infinity at a particular point, resulting in a vertical asymptote.
 4. How can we determine the continuity of a function graphically?
Ans. To determine the continuity of a function graphically, we need to check if there are any breaks, jumps, or gaps in the graph. If the graph is smooth and connected without any abrupt changes or discontinuities, then the function is continuous. However, if there are holes, jumps, or vertical asymptotes, then the function is not continuous.
 5. What are some real-life applications of continuity of a function?
Ans. The concept of continuity of a function is widely used in various fields, including: 1. Physics: The study of motion, forces, and energy involves the use of continuous functions. 2. Engineering: In designing structures, continuity is crucial to ensure smooth transitions and avoid weak points. 3. Economics: Continuous functions are used to model various economic phenomena, such as supply and demand curves. 4. Computer Graphics: Continuity is essential for creating realistic and smooth animations or visual effects. 5. Medicine: Continuity is considered in medical research and modeling physiological processes to understand the body's responses.

## Mathematics (Maths) for JEE Main & Advanced

209 videos|443 docs|143 tests

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