✓ 2 MARKS
Numericals
🔥 APPEARED IN 3 BOARD SETS
If $f(x) = \begin{cases} ax + b ; & 0 < x \le 1 \\ 2x^2 - x ; & 1 < x < 2 \end{cases}$$ is a differentiable function in $(0, 2)$, then find the values of $a$ and $b$.
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2023 | Series 65-2 | Set 1 | Question 25(b) |
| CBSE 2023 | Series 65-2 | Set 2 | Question 24 |
| CBSE 2023 | Series 65-2 | Set 3 | Question 25 |
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)