2^n*sin(x/2^n),n→∞的极限(x≠0)

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2^n*sin(x/2^n),n→∞的极限(x≠0)2^n*sin(x/2^n),n→∞的极限(x≠0)2^n*sin(x/2^n),n→∞的极限(x≠0)lim2^n*sin(x/2^n)=lims

2^n*sin(x/2^n),n→∞的极限(x≠0)
2^n*sin(x/2^n),n→∞的极限(x≠0)

2^n*sin(x/2^n),n→∞的极限(x≠0)
lim 2^n*sin(x/2^n)
=lim sin(x/2^n)/(1/2^n) (sin(x/2^n)用其等价无穷小1/2^n替代)
=lim (x/2^n)/(1/2^n)
=x