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Hi I'm new to this forum, i need a help i don't know how can i use l'hospital in these problems;

lim(x->1, ((arccos(x))^lnx))

lim(x->[tex]\pi[/tex]/2+ (cosx ln(x - [tex]\pi[/tex]/2 ) )

Can anyone help?

lim(x->1, ((arccos(x))^lnx))

lim(x->[tex]\pi[/tex]/2+ (cosx ln(x - [tex]\pi[/tex]/2 ) )

Can anyone help?

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