Let A be a matrix such that A.[\table1,2;0,3] a scalar matrix and |3A|=108.Then A^2 equals : [Main 15 April 2018 S1]

Correct Answer is : [36−3204]

JEE Main 15 Apr 2018 Shift 1 Solved Paper

Section: Mathematics

Question : 64 of 90

Marks: +1, -0

Let A be a matrix such that A.[

1	2
0	3

] a scalar matrix and |3A|=108.Then A2 equals :

[Main 15 April 2018 S1]

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