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B. (iii)
C. (1)
D. (ii)
E. None of the other choices is correct
Which of the following matrices is invertible?
(i)
1 1 1
2
3 1
(ii)
3 4 0
1 2
-2
X
1
2x
(iii)
y
2z
2 2y(x, y, z are any real numbers)
Z 1
sh the exam.
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