若limx→0f(x)/x^2=2,则limx→f(x)/x=?

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若limx→0f(x)/x^2=2,则limx→f(x)/x=?
若limx→0f(x)/x^2=2,则limx→f(x)/x=?

若limx→0f(x)/x^2=2,则limx→f(x)/x=?
lim(x→0)f(x)/x^2=2
则lim(x→0)f(x)/x
=lim(x→0)f(x)/x^2*x
=lim(x→0)f(x)/x^2*lim(x→0)x
=0*2
=0