a/a的平方-3a+1=2
1/(a-3+1/a)=2
a+1/a-3=1/2
a+1/a=7/2 平方
a^2+2+1/a^2=49/4
a^2+1/a^2=41/4
a的平方/a的四次方+a的平方+1
=1/(a^2+1+1/a^2)
=1/(41/4+1)
=1/(45/4)
=4/45
已知a/a的平方-3a+1=2,求a的平方/a的四次方+a的平方+1
已知a/a的平方-3a+1=2,求a的平方/a的四次方+a的平方+1
数学人气:272 ℃时间:2019-12-16 07:35:19
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