p(x)和q(x)是quadratic function(二项式方程),what is the set of all real number of x 满足p(x)/q(x), is also a real number?(问的方式好像与JJ里的不一样,JJ里是for every real number x,不过我最终还是选择了B)(1) p(2)=0, p(3)=0(2) q(0)=0, q(1)=0
争议题,希望有tx能给出正解,我祝福大家能够取得好成绩
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