Question: (c) Let cosh(x) - 1 CUS f(x) = a r =0 2 tanh where a E R is a constant. For what value(s) of a






(c) Let cosh(x) - 1 CUS f(x) = a r =0 2 tanh where a E R is a constant. For what value(s) of a is f continuous at x = 0? Justify your answer with reference to the definition of continuity.(b) Evaluate the limit lim x- tanh
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