MEDIUM
12th Odisha Board
IMPORTANT
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If first and third rows of a determinant be interchanged then the sign of the determinant does not change.

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Important Questions on Determinants

MEDIUM
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 2
If in a third order determinant first row be changed to second column, second row to first column and third row to third column, then the value of the determinant does not change.  
EASY
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 2
A row and a column of a determinant can have two or more common elements.
EASY
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 2
The minor and the cofactor of the element a32 of a determinant of third order are equal.
EASY
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 2
3    1    30    4    01    3    1=0
EASY
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 2
6    4    24    0    75    3    4=6    4    54    0    32    7    4
EASY
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 2
2    3    45    6    71    2    3=4    2    37    5    63    1    2
EASY
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 3
The value of 080255202514100=_____
EASY
12th Odisha Board
IMPORTANT
Elements of Mathematics Class 12>Chapter 5 - Determinants>EXERCISES 5 (a)>Q 3
If ω is the cube root of unity, then 1ωω2ωω21ω21ω=