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The function

is not defined at x = 0. The value which should be assigned to f at x =0 so that it is continuos at x = 0, is

A. a - b

B. a + b

C. log a + log b

D. log a - log b

E. None of the above

View Answer

Correct choice: B

Explanation:

Since limit of a function is a + b as x → 0, therefore to be continuous at a function, its value must be a + b x = 0 ⇒ f(0) = a + b

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