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The value of k which makes the function defined by f(x) = ,ifk,if{sin 1x, if x≠0k, if x=0, continuous at x = 0 is ______. - Mathematics

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Question

The value of k which makes the function defined by f(x) = `{{:(sin  1/x",",  "if"  x ≠ 0),("k"",",  "if"  x = 0):}`, continuous at x = 0 is ______.

Options

  • 8

  • 1

  • –1

  • None of these

MCQ
Fill in the Blanks

Solution

The value of k which makes the function defined by f(x) = `{{:(sin  1/x",",  "if"  x ≠ 0),("k"",",  "if"  x = 0):}`, continuous at x = 0 is none of these.

Explanation:

Indeed `lim_(x -> 0) sin  1/x` does not exist.

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Chapter 5: Continuity And Differentiability - Solved Examples [Page 104]

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NCERT Exemplar Mathematics [English] Class 12
Chapter 5 Continuity And Differentiability
Solved Examples | Q 30 | Page 104

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