✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
If $\int_{0}^{1} \frac{dx}{e^x + e^{-x}} = \tan^{-1} e + k$, then the value of k is :
A
e
B
$\frac{\pi}{4}$
C
0
D
$-\frac{\pi}{4}$
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 65-4 | Set 1 | Question 10 |
| CBSE 2026 | Series 65-4 | Set 2 | Question 8 |
| CBSE 2026 | Series 65-4 | Set 3 | Question 11 |
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)