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CLASS XII MATHEMATICS ASSIGNMENT
MATRICES AND DETERMINANT
1 Mark Questions
1. A matrix A of order 3 x 3 has determinant 5....
20. Using properties of determinants, prove |
1 + π‘Ž2 βˆ’ 𝑏2 2π‘Žπ‘ βˆ’2𝑏
2π‘Žπ‘ 1 βˆ’ π‘Ž2 + 𝑏2 2π‘Ž
2𝑏 βˆ’2π‘Ž 1 βˆ’ π‘Ž2 βˆ’ 𝑏2
| = (1+a2
+b2
)3
....
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