Can you solve this equation?
回答 (2)
2017-10-30 6:02 am
no
2017-10-30 6:05 am
comment : ( x - 1 / x) ² = x² - 2 + 1 / x² ====> ± √(22 / 3 )
收錄日期: 2021-05-01 22:01:42
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