2个回答
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此式左端在有理数范围内不能分解
若考虑在实数范围内分解,那最后的分解形式将会非常复杂:
(x-(1/2*(12+4*5^(1/2))^(1/3)+2/(12+4*5^(1/2))^(1/3)+2)(3*(12+4*5^(1/2))^(2/3)-4*x*(12+4*5^(1/2))^(2/3)+x^2*(12+4*5^(1/2))^(2/3)-8-4*5^(1/2)-(12+4*5^(1/2))^(1/3)+6*x+2*x*5^(1/2)+2*(12+4*5^(1/2))^(1/3)*x+(12+4*5^(1/2))^(1/3)*5^(1/2))/(12+4*5^(1/2))^(2/3)
若考虑在实数范围内分解,那最后的分解形式将会非常复杂:
(x-(1/2*(12+4*5^(1/2))^(1/3)+2/(12+4*5^(1/2))^(1/3)+2)(3*(12+4*5^(1/2))^(2/3)-4*x*(12+4*5^(1/2))^(2/3)+x^2*(12+4*5^(1/2))^(2/3)-8-4*5^(1/2)-(12+4*5^(1/2))^(1/3)+6*x+2*x*5^(1/2)+2*(12+4*5^(1/2))^(1/3)*x+(12+4*5^(1/2))^(1/3)*5^(1/2))/(12+4*5^(1/2))^(2/3)
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