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Unlike Example 1, f(x) is unbounded in any interval containing 0, so the Riemann integral is undefined. If f(x) is the function in Example 1 and F is its antiderivative, and {} is a dense countable subset of the open interval (,), then the function = = has an antiderivative = = ().
(Note that the value of the expression is independent of the value of n, which is why it does not appear in the integral.) ∫ x x ⋅ ⋅ x ⏟ m d x = ∑ n = 0 m ( − 1 ) n ( n + 1 ) n − 1 n !
In complex analysis, a branch of mathematics, the antiderivative, or primitive, of a complex-valued function g is a function whose complex derivative is g.More precisely, given an open set in the complex plane and a function :, the antiderivative of is a function : that satisfies =.
If the function f does not have any continuous antiderivative which takes the value zero at the zeros of f (this is the case for the sine and the cosine functions), then sgn(f(x)) ∫ f(x) dx is an antiderivative of f on every interval on which f is not zero, but may be discontinuous at the points where f(x) = 0.
The following is a list of integrals (antiderivative functions) of rational functions. ... Integrands of the form x m (a + b x n + c x 2n) p when b 2 − 4 a c = 0
The antiderivative of − 1 / x 2 can be found with the power rule and is 1 / x . Alternatively, one may choose u and v such that the product u′ (∫v dx) simplifies due to cancellation. For example, suppose one wishes to integrate:
The following is a list of integrals (antiderivative functions) of irrational functions. ... Assume x 2 > a 2 (for x 2 < a 2, see next section):
The following is a list of integrals (antiderivative functions) of logarithmic functions. For a complete list of integral functions, see list of integrals. Note: x > 0 is assumed throughout this article, and the constant of integration is omitted for simplicity.