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5.20.2 Primitive and definite integral: risch

The Risch algorithm is a powerful algorithm for finding an elementary primitive of an elementary function or concluding that one doesn’t exist. The risch command finds primitives and can use them to evaluate definite integrals.


To find a primitive:

Examples


To evaluate a definite integral:

Example

Input:

risch(x^2,x,0,1)

Output:

1
3

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