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: arctg x, arctg x -10: .
1. F (x) - f (x) X, f (x) + C, C - , f (x) .
2. F (x) - f (x) X =(a, b), F 1(x) F 1(x) = F (x) + C, C - X .
3. F (x) dF (x) = f (x) dx.
, F (x) - f (x) X, f (x) (.. , f (x) f (x) dx) F (x) + C, C - .
2. f (x) .
F (x) - f (x), , C - . f (x) , f (x) dx - .
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