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Differentiation of a Function wrt Another Function and Higher Order derivative of a Function is considered one of the most asked concept.
76 Questions around this concept.
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Differentiation of a Function wrt another Function and Higher Order derivative of a Function
Suppose it is required to differentiate a function u = f(x) w.r.t. another function v = g(x).
Here, f(x) and g(x) are different functions, but the variable i.e. x is the same.
To find du/dv or dv/du, we first differentiate both function f(x) and g(x) w.r.t. x separately and then put these values in the following formulae:
Higher Order Derivative of a Function
The derivative of a function is itself a function, so we can find the derivative of a derivative. The new function obtained by differentiating the derivative is called the second derivative. Furthermore, we can continue to take derivatives to obtain the third derivative, a fourth derivative, and so on.
Collectively, these are referred to as higher-order derivatives. The notation for the higher-order derivatives of y = f(x) can be expressed in any of the following forms:
Note:
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