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CBSE Class 12 Mathematics 2026 Main Paper 65/4/1 · Q81 Marksdifferentiability

CBSE Class 12 Mathematics 2026 Main Paper 65/4/1 · Question 8 (Continuity And Differentiability)

How many points of (0,3) make f(x)=⌊x⌋ nondifferentiable?

✅ Step-by-Step Solution

Final Answer: Two
  1. The floor function is constant locally off the integers. At the two interior integers 1 and 2 it jumps.

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