✓ 2 MARKS
Numericals
🔥 APPEARED IN 3 BOARD SETS
If M and m denote the local maximum and local minimum values of the function $f(x) = x + \frac{1}{x} (x \neq 0)$ respectively, find the value of $(M - m)$.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2024 | Series Other | Set 1 | Question 23 |
| CBSE 2024 | Series Other | Set 1 | Question 21 |
| CBSE 2024 | Series Other | Set 1 | Question 24 |
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)