[" The function f defined by "f(x)=lim(t...

[" The function f defined by "f(x)=lim_(t rarr oo)-{((1+sin pi x)^(t)-1)/((1+sin pi x)^(t)+1)}" is "],[[" (A) evermhtere continuous "," (B) discontinuous at all ir "],[" (C) continuous at "x=0," (D) none of these "]]

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