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Most Important Selected Qs for JEE AdvancedMathematicsContinuity and Differentiability

f(x)= array cl x & , x Q x, & x Q^ array . . The number of points of continuity of f(x) is

Options

  1. A0
  2. B1
  3. C2
  4. Dinfinitely many

Correct answer

B. 1

Step-by-step solution

f is continuity iff x= x which is possible only for one ' x '

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