- #1
jack1234
- 133
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[SOLVED] About l'hopital rule
I have two solutions for a question about limit
http://tinyurl.com/2pknkb
May I know is (a) correct, or (b)?
What is the reason for the other to be wrong?
Note:
(a) just directly applies l'hopital rule to numerator
(b) is to reduce the numerator using logarithm formula before using l'hopital rule
I have two solutions for a question about limit
http://tinyurl.com/2pknkb
May I know is (a) correct, or (b)?
What is the reason for the other to be wrong?
Note:
(a) just directly applies l'hopital rule to numerator
(b) is to reduce the numerator using logarithm formula before using l'hopital rule