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(1)find the area of the area of the region between the x-axis and 3 the graph of F(X)=x- x -1 > x> 1 _ _ (都大於等於) (2) 3 ∫∣x∣dx -2 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 122.123.183.95