✓ 3 MARKS
Short Answer
🔥 APPEARED IN 3 BOARD SETS
(a) Evaluate : $\int_{0}^{\pi} \frac{e^{\cos x}}{e^{\cos x} + e^{-\cos x}} \, dx$ OR (b) Find : $\int \frac{2x+1}{(x+1)^2 (x-1)} \, dx$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2024 | Series Other | Set 1 | Question 28 |
| CBSE 2024 | Series Other | Set 1 | Question 29 |
| CBSE 2024 | Series Other | Set 1 | Question 26 |
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)