1a. sketch the curve y= 2x^2 -3x +1, indicating the turning points
b. find the area enclosed between this curve and the x-axis.
2. find the area in the first quadrant between the curve u^2 = 4x and
the x-axis from x=4 to x=9
收錄日期: 2021-04-15 14:41:35
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https://hk.answers.yahoo.com/question/index?qid=20081221000051KK01080