Factor a, b, c from columns 1, 2, 3 of the determinant, then a, b, c from rows 1, 2, 3 to get a2b2c2−1111−1111−1. Expanding the simple determinant gives 4. So determinant =4a2b2c2=4x, giving x=a2b2c2.
If … = 4x, then x =
CUET UG 2022 — Mathematics Applied-Mathematics
2022mcqmedium
If −a2baacab−b2bcacbc−c2=4x, then x=
Official previous-year question
Held on 11 Aug 2022 · Verified 13 Jul 2026.
Options
- A
abc
- B
a2b2c2
- C
a+b+c
- D
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