User talk:Kaisssssgao
QUESTION
WHAT'S THE VALUE OF 1+1?
A)3
B)4
C)5
D)6
E)dne
Solution greg346 1
according to kai's theorem, so we chose (A) 1+1=3
Solution 2
according to L'Hopital rule, that lim x->c f(x)/g(x)=li x-> f'(x)/g'(x), rewrite 1+1=1+1/1, according to the theorem, set 1=f(X) f'(x)=0, set 1=g(x),so g'(x)=0, so 1+1=dne we chose (E)
