A2=[8−553], 5A=[15−5510], 7I=[7007]. A2−5A+7I=[0000]=O.
If x^3 + y^3 = xy, then dy dx is equal to :
CUET UG 2023 — Mathematics Applied-Mathematics
2023mcqmedium
If x3+y3=xy, then dxdy is equal to :
Official previous-year question
Held on 30 May 2023 · Verified 13 Jul 2026.
Options
- A
3y2+xy+3x2
- B
3y2−xy−3x2
- C
3y2−xy+3x2
- D
y2−3x3y−x2
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