求下列X的值:(2X+1)^2=3 2(X-1)^3=16
人气:162 ℃ 时间:2020-06-03 14:56:07
解答
(2X+1)^2=3
2x+1=±√3
2x=-1±√3
x=(-1±√3)/2
2(X-1)^3=16
(x-1)³=8
x-1=2
x=3
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