✓ 3 MARKS
Short Answer
🔥 APPEARED IN 3 BOARD SETS
Evaluate $\int_{\log \sqrt{2}}^{\log \sqrt{3}} \frac{1}{(e^x + e^{-x}) (e^x - e^{-x})} dx$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2023 | Series 65-2 | Set 1 | Question 28 |
| CBSE 2023 | Series 65-2 | Set 2 | Question 26 |
| CBSE 2023 | Series 65-2 | Set 3 | Question 29 |
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)