1. For Windows or Linux - Press Ctrl+D
2. For MacOS - Press Cmd+D
3. For iPhone (Safari) - Touch and hold, then tap Add Bookmark
4. For Google Chrome - Press 3 dots on top right, then press the star sign
Enter your derivative problem in the input field.
Press Enter on the keyboard or on the arrow to the right of the input field.
In the pop-up window, select “Use the Limit Definition to Derivative”. You can also use the search.
To find the derivative from its definition, we need to find the limit of the difference ratio as x approaches zero.