Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.

lim x→∞ x^7e^−x^6

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.
lim x→∞ (x tan(3/x))

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.
lim x→1 ((7x/(x−1)-(7/(ln x))

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.
lim x→0+ (tan 5x)^x

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it.
lim x→∞ x^(4/x)