1/n2+1/n-3=0,n4+n2-3=0,1/m不等于n2,求mn4+n2/m2

问题描述:

1/n2+1/n-3=0,n4+n2-3=0,1/m不等于n2,求mn4+n2/m2

由1/n2+1/n-3=0,可得 1/n=1 或-2,所以n=1 或 -1/2
由n4+n2-3=0,可得 n2=1 ,所以 n=1或 -1
综上得,n=1
1/m不等于n2,求mn4+n2/m2
mn4+n2/m2 = m+ 1/M2