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求y=arcsin{ln(x-1)}^2的连续区间
人气:347 ℃ 时间:2020-06-17 01:24:28
解答
0<={ln(x-1)}^2<=1
-1<=ln(x-1)<=1
1/e<=x-1<=e
1/e+1<=x<=e+1

区间为:【(1/e)+1,e+1】
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