arctan (1)+arctan(2)+arctan(3) ... 2. y = 1 > x > 0: 0. 3. y = 1 > x > 0: x. 4. x = 3 > y > 1: − y +2. 5. y = 0 > x > −1: −3 x. 6. y = 0 > x > −1: −3 x.
確定！ 回上一頁
