A force f is equals to a y square + b y + c acts on a body with the y direction the work done by this force during the displacement from y is equals to minus 2 y is equals to a
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work = ∫ Fdy = ∫(ay²+by+c)dy = (ay³/3 + by²/2 + cy) = a∧4+ba²/2 + ca - ( -8ay³/3 + 2by² - 2cy) = a∧4+ba²/2 + ca + 8ay³/3 - 2by² +2cy
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