Wolfram|Alpha calls Wolfram Languages's D function, which uses a table of identities much larger than one would find in a standard calculus textbook. For example, it is used to find local/global extrema, find inflection points, solve optimization problems and describe the motion of objects. The derivative is a powerful tool with many applications. Īs an example, if, then and then we can compute. Geometrically speaking, is the slope of the tangent line of at.
This limit is not guaranteed to exist, but if it does, is said to be differentiable at. Note for second-order derivatives, the notation is often used.Īt a point, the derivative is defined to be. These are called higher-order derivatives. When a derivative is taken times, the notation or is used. Given a function, there are many ways to denote the derivative of with respect to. What are derivatives? The derivative is an important tool in calculus that represents an infinitesimal change in a function with respect to one of its variables.
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