Question

设函数f(x)={[In(1-x)]/x,x>0,-1,x=0,|sinx|/x,x

Answer 1

f(x)=[In(1-x)]/x ,x>0 =-1 ,x=0 = |sinx|/x ,x0+)f(x) =lim(x->0+) [In(1-x)]/x=-1f(0)=-1lim(x->0-)f(x)=lim...