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Sticky Note
If a function has differential coefficient that vanishes for all values of x in the interval A<=x <=b, the function is?
  1. A discontinues function
  2. A continues function
  3. Constant
  4. None of these
Explanation
  • If the differential coefficient (derivative) of a function is zero for all xx in an interval [a,b][a, b], it means the function has no change in that interval.
  • This implies the function is constant over the entire interval.

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