lim x→0 sin(x^2sin1/x) / x 等于多少?

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lim x→0 sin(x^2sin1/x) / x 等于多少?
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lim x→0 sin(x^2sin1/x) / x 等于多少?
lim x→0 sin(x^2sin1/x) / x 等于多少?

lim x→0 sin(x^2sin1/x) / x 等于多少?
sin(x^2sin1/x)/x=[sin(x^2sin1/x)/(x^2sin1/x)]*xsin1/x
lim x→0[sin(x^2sin1/x)/(x^2sin1/x)]=1
lim x→0(xsin1/x)=0
lim x→0sin(x^2sin1/x)/x=0