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我们知道,解可化为一元二次方程的分式方程、无理方程时,可能产生增根.而增根到底从哪里来呢?为此,我们剖析一下课本上的两道例题.
We know that when we solve the fractional equations and irrational equations that can be converted into a unitary quadratic equation, it is possible to increase roots. Where does the root increase come from? For this reason, we analyze two examples of textbooks.