Looking for the root of this equation.

也就是求这个方程序的根。

youdao

If this equation has root, then the author gives the number of roots.

当该方程有根时，则给出根的个数。

youdao

If this equation has root, then the author gives the number of roots.

当该方程有根时，则给出根的个数。

youdao