发布网友 发布时间:2024-10-23 22:38
共2个回答
热心网友 时间:2024-11-02 01:16
设两根为a+bi和a-bi
对应两点长度为2b
所以a^2+b^2 = 4b^2 =>a^2=3b^2
p = -2a
a^2+b^2 = q
p^2 = 4a^2 = 12b^2
q = 4b^2
所以p^2 = 3q
(2)
a^2+b^2 = 4 = 4b^2 = q
p = Sqrt[3q]=Sqrt[12]
热心网友 时间:2024-11-02 01:15
解,设两根为a+bi和a-bi
对应两点长度为2b
a^2+b^2 = 4b^2 =>a^2=3b^2
p = -2a
a^2+b^2 = q
p^2 = 4a^2 = 12b^2
q = 4b^2
p^2 = 3q
(2)
a^2+b^2 = 4 = 4b^2 = q
p = Sqrt[3q]=Sqrt[12]