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integrate ( 2x / 5 - (4 / 5) - arctan(4 / 3) ) dx from x = 0..2 + (5 / 2)*arctan(4 / 3)
integrate ( 2x / 5 - (4 / 5) - arctan(4 / 3) ) dx from x = 0..2 + (5 / 2)*arctan(4 / 3)
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