1.lim(x→∞)(1/2√x)cos√x =
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
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lim(x→0)[cos√(1-x^2)]/[tanx*ln(1+x)]
lim((cos( √x))^(1/x)) x……0+
求 lim(x→∞)[sin(2/x)+cos(1/x)]^x的极限.
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lim(x→∞)(((x^2)+1)/((x^3)+1))(3+cos x)
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lim(x→-∞)[(√(x+2)(x+5))+x]=__.
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