Question

求函数极限x→∞limarctanx/x谢了

Answer 1

arctanx为有界量，（1/x)趋于0，故极限为0
即：x→∞limarctanx/x=0

Answer 2

lim(x→∞)arctanx/x
∵arctanx为有界量，(1/x)趋于0
∴lim(x→∞)arctanx/x=0

Answer 3

x→∞limarctanx=π/2

x→∞lim x=∞

所以x→∞limarctanx/x=π/（2*∞）=0