若X2+1除以X=5,求X4+X2+1除以X4-X2+1
若X2+1除以X=5,求X4+X2+1除以X4-X2+1
已知x2+x+1=0 求x4+1/x4
已知x+1/x=根号5,求x2/x4+x2+1的值
求线性方程组 x2-x3-x4=0 x1+x2-x3+3x4=1 x1-x2+x3+5x4=-1 x1+2x2-2x3+
已知x2+3x+1=0,求x2/x4+3x2+1的值
X4次方数学题目:(x-1)(X2+1)(x2-5)=0求过程和解!
已知x2+4y2+x2y2-6xy+1=0,求 x4-y4/2x-y 乘 2xy-y2/xy-y2 除以(x2+y2/x
已知 X / (X2+X+1) =a,求 X2/(X4+X2+1)=? .说明:X2为X平方,X4为X四次方.非常感谢
已知x2+3x+1=0,求x4+1/x4的值.
已知x2+x+1=0,求x4+1/x4的值
已知x2+x+1=0求1+x+x2+x3+x4.+x2013的值
已知x+1/x=3求x2/x4+x2+1的值