高数,limxsin(1⼀x^2)且x趋于∞时的极限,为多少?

2025-12-25 06:33:12
推荐回答(1个)
回答1:

y=1/x
lim(x->∞) x sin(1/x^2)

=lim(y->0) sin(y^2) /y
=lim(y->0) y^2/y
=lim(y->0) y
=0