EASY
12th West Bengal Board
IMPORTANT
Earn 100

All diagonal elements of a skew-symmetric matrix are  .

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Important Questions on Elementary Theory of Matrices

EASY
12th West Bengal Board
IMPORTANT
a237=6    23    7 if and only if_____.
EASY
12th West Bengal Board
IMPORTANT
Matrix multiplication when defined, is not necessarily_____.[commutative/associative/distributive]
EASY
12th West Bengal Board
IMPORTANT
Order of the product matrix 125×7    8    9×286 is 3×_____.
EASY
12th West Bengal Board
IMPORTANT
If A=1    0    00    1    00    0    1 then A3=_____.
EASY
12th West Bengal Board
IMPORTANT
If A is a 2×2 non-singular matrix then AB=O implies B=_____.[Null matrix, non-singular matrix, diagonal matrix, identity matrix].
EASY
12th West Bengal Board
IMPORTANT
If A is a skew-symmetric matrix which is also symmetric, then A is _____ matrix.
EASY
12th West Bengal Board
IMPORTANT
The identity matrix is a diagonal matrix.
EASY
12th West Bengal Board
IMPORTANT
Null matrix is always a square matrix.