WBJEE 2018 Math Solved Paper

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Question : 4 of 75

Marks: +1, -0

|

−1	7	0
2	1	−3
3	4	1

| = A, then |

13	−11	5
−7	−1	25
−21	−3	−15

| is

A2
A2−A+I3
A2−3A+I3
3A2+5A−4I3

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