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If f.g is continuous at x = a, then f and g are separately continuous at x = a.

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Question

If f.g is continuous at x = a, then f and g are separately continuous at x = a.

Options

  • True

  • False

MCQ
True or False
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Solution

This statement is False.

Explanation:

Let us take an example: f(x) = sin x and g(x) = cot x

∴ f(x).g(x) = sinx . cotx

= `sin x * cosx/sinx`

= = cos x

Which is continuous at x = 0 but cot x is not continuous at x = 0.

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Chapter 5: Continuity And Differentiability - Exercise [Page 116]

APPEARS IN

NCERT Exemplar Mathematics Exemplar [English] Class 12
Chapter 5 Continuity And Differentiability
Exercise | Q 106 | Page 116

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