Question

the sum f(x)+g(x) and the product f(x)g(x) of two continuous functions are continuous; the quotient f(x)/g(x) are defined and continuous at a if and only if g(a)≠0. If f(x) is continuous, so are Re f(x), img f(x) and |f(x)|. Please give me a solution

Answer 1

Answer:

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Explanation:

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