✓ 1 MARKS
MCQ
🔥 APPEARED IN 3 BOARD SETS
If A and B are skew-symmetric matrices of same order, then $AB' + BA'$ is a/an :
A
symmetric matrix
B
skew-symmetric matrix
C
null matrix
D
identity matrix
01 // VERIFIED BOARD OCCURRENCES
| Year | Paper Code | Set | Position |
|---|---|---|---|
| CBSE 2026 | Series 65-3 | Set 1 | Question 3 |
| CBSE 2026 | Series 65-3 | Set 2 | Question 14 |
| CBSE 2026 | Series 65-3 | Set 3 | Question 7 |
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)