证明:Lim (1/xsinx-xsin1/x) =1 x→0

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证明:Lim(1/xsinx-xsin1/x)=1x→0证明:Lim(1/xsinx-xsin1/x)=1x→0证明:Lim(1/xsinx-xsin1/x)=1x→0lim(x→0)[(1/x)si

证明:Lim (1/xsinx-xsin1/x) =1 x→0
证明:Lim (1/xsinx-xsin1/x) =1 x→0

证明:Lim (1/xsinx-xsin1/x) =1 x→0
lim(x→0) [(1/x)sinx-xsin(1/x)]
=lim(x→0) sinx/x-lim(x→0) xsin(1/x),0乘以有界函数都是0
=1-0
=1