求極限:求極限:x→0時求極限Lim(1+3tan²;x)⌒cot²;x幂

求極限:求極限:x→0時求極限Lim(1+3tan²;x)⌒cot²;x幂


x→0,lim[(1+3tan²;x)^1/3tan²;x]^3tan²;x*cot²;x
=e^3