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Solution: The original equation can become: y^6-6y^2-y^2+√6=0 Let √6=a(a>0)∴y^2a^2-a+(y^2-y^6 )=0 solve the quadratic equation of a according to the meaning of the question: y≠0, y^2≠0a1=y^2, a2=(1-y^4)/y^2 when a=y^2, y^2=√6y1=4√6, y2=-4√6 (Note: 4√ is the fourth root of 4
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In recent years, not only has there been more work on epidemic prevention and control, but drowning prevention work has also been raised to an unprecedented level, from the government, to communities and villages, to schools... When students are on vacation, their guardians are p
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Now, more and more families are beginning to pay attention to education, hoping that their children can seize the opportunity of the "College Entrance Examination", enter a prestigious university, and gain a higher starting point in life. "Tsinghua University and Peking Universit
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