lim(1+f(x)sinx)^1/2 -1 /(e^x-1)=2 x->0 则limf(x)=?
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lim(1+f(x)sinx)^1/2 -1 /(e^x-1)=2 x->0 则limf(x)=?
lim(1+f(x)sinx)^1/2 -1 /(e^x-1)=2 x->0 则limf(x)=?
lim(1+f(x)sinx)^1/2 -1 /(e^x-1)=2 x->0 则limf(x)=?
lim(1+f(x)sinx)^1/2 -1 /(e^x-1)=2
lim 1/2*f(x)*sinx/x=2
lim f(x)*sinx/x=4
lim f(x)=4