If the equation x^2 + kx + k = 0 has equal roots, find the value(s) of k.
有無人識做幫到我呀!
Thx a lot !
Discriminant數學題!!!
2010-05-17 7:02 am
回答 (1)
2010-05-17 7:40 am
✔ 最佳答案
x^2 + kx + k = 0For the equation has equal roots, discriminant = 0
k^2 - 4(1)k = 0
k(k - 4) = 0
k = 0 or 4
參考: Prof. Physics
收錄日期: 2021-04-12 11:09:48
原文連結 [永久失效]:
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