Consider the following in respect of the matrix A=(\table -1,1;1,-1) 1. A^2=-A 2. A^3=4A Which of the above is/are correct? [NDA I 2016]

NDA Math Matrices

Question : 52 of 69

Marks: +1, -0

Consider the following in respect of the matrix A=(

−1	1
1	−1

)
1. A2=−A
2. A3=4A
Which of the above is/are correct?

[NDA I 2016]

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2	−2
−2	2

2	−2
−2	2