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VK-038985
JEE Main 2007 Mathematics question
Mathematics
Determinants
JEE Main 2007
Let
. If
, then
equals
(1)
(2)
1
(3)
1/5
Correct
(4)
5
Answer:
(3)
Solution
A is upper triangular:
.
, option (3).
Question ID VK-038985