all the curves symmetrical about the line y=-x are also symmetrical about the origin?
symmetrical about y=-x & origin : xy=1, ellipse
is it true for all the curves?
give some negative examples.....
symmetrical with respect to the line y=-x and origin?
2016-06-30 7:14 am
回答 (1)
2016-06-30 7:19 am
NO ; think about the parabola which is rotated π / 4 so that it is symmetric about y = x...or about y = -x ..or the hyperbola [ x - 2 ] [ y - 2 ] = 1
收錄日期: 2021-04-21 19:12:39
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