WHO CAN HELP ME 已知,实数X,Y,Z,W满足X+Y+Z+W=X三次方+Y三次方+Z三次方+W三次方=0,求证:X,Y,Z,W这四个数中,至少有2个数的和为0
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 14:53:44
WHO CAN HELP ME 已知,实数X,Y,Z,W满足X+Y+Z+W=X三次方+Y三次方+Z三次方+W三次方=0,求证:X,Y,Z,W这四个数中,至少有2个数的和为0
WHO CAN HELP ME
已知,实数X,Y,Z,W满足X+Y+Z+W=X三次方+Y三次方+Z三次方+W三次方=0,求证:X,Y,Z,W这四个数中,至少有2个数的和为0
WHO CAN HELP ME 已知,实数X,Y,Z,W满足X+Y+Z+W=X三次方+Y三次方+Z三次方+W三次方=0,求证:X,Y,Z,W这四个数中,至少有2个数的和为0
w=-x-y-z
x^3+y^3+z^3+w^3=-3(x+y)(x+z)(y+z)=0
则(x+y)或(x+z)或(y+z)至少一个等于零
Who can help me
Who can help me?
Who can help me?
who can help me,
who can help me?
who can help me中文版
who can help me English?
学神们,Who can help me?
英语翻译Who can help me?
这是咋回事?who can help me?
i can help you .but ,who can help me
who am who can help me and tell me
句子有几种修辞手法Who can help me?
Who can help me怎么读
who can help me complete this question?
who can help me improve my English:
who can help me with my study?
what's mean,who can help me