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High School Mathematics
11.14 Principal Diagonal of a Square Matrix, Scalar Matrix and Identity Matrix
Directions:
Choose the correct answer. Also write at least 10 examples of your own.
Q 1
: Write the principal diagonal elements in the following matrix.
(1 2 1)
(3 4 2)
(5 6 3)
(1 4 3)
Q 2
: This is a scalar matrix, correct it.
Correct
Not correct
Q 3
: Write the principal diagonal elements in the following matrix.
(1 3)
(1 4)
(5 4)
Q 4
: This is a scalar matrix, correct it.
Not correct
Correct
Q 5
: This is a unit matrix of 3
^{rd}
order, correct it.
Not correct
Correct
Q 6
: This is a scalar matrix, correct it.
Not correct
Correct
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