Solve the equation, where p and q are constants. (Express the answers in terms of p and q.)
x^2 - (p+q)x + (p+1)(q-1) = 0
收錄日期: 2021-04-13 16:50:02
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090825000051KK01747