11. if A =
then 3A is :
(a)
(b)
(c)
(d)
Explanation
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12. This matrix is a _______ .
(a) unit matrix
(b) null matrix
(c) triangular matrix
(d) rectangularmatrix
Explanation
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13. if A =
then |A| is :
(a) 0
(b) 1
(c) 2
(d) -2
Explanation
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14. This matrix is a _______ .
(a) null matrix
(b) zero matrix
(c) scalar matrix
(d) column matrix
Explanation
Explanation : No answer description available for this question.
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15. Matrices are represented by :
(a) small letters
(b) real numbers
(c) capital letters
(d) natural numbers
Explanation
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