✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
The greatest integer function, f(x) = [x], 0 < x < 3 is not differentiable at how many points ?
A
At only one point
B
At only two points
C
At no point
D
At three points
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 65-4 | Set 1 | Question 8 |
| CBSE 2026 | Series 65-4 | Set 2 | Question 11 |
| CBSE 2026 | Series 65-4 | Set 3 | Question 3 |
02 // OFFICIAL CBSE MARKING SCHEME BREAKDOWN
- Step 1: Stating the fundamental formula / law statement (+1 Mark)
- Step 2: Intermediate mathematical substitution or proof steps (+1 Mark)
- Step 3: Correct final value or conclusion with mandatory SI units (+1 Mark)