化简根号-a^3/a(aa-根号a²-1的有理化因式:
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化简根号-a^3/a(aa-根号a²-1的有理化因式:
化简根号-a^3/a(a
a-根号a²-1的有理化因式:
化简根号-a^3/a(aa-根号a²-1的有理化因式:
=√[(a^2)(-a)]/a=|a|√(-a)/a=-a√(-a)/a=-√(-a)
a+√(a^2-1)
原式=-根号-a。