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For example, why arcsin (2x-1), arccos (1-2x), 2arctan radical (x / (1-x)) are all primitive functions of 1 / radical (x-x Square)? Please
Arcsin (2x-1), arccos (1-2x), 2arctan radical (x / (1-x))
There is a constant C between them
So it's the original function of the same function
Notice that there is a constant C after the indefinite integral
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