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

UPSC NDA Math Model Paper 9

Question : 32 of 120

Marks: +1, -0

Consider the following in respect of the matrix A=[

−2	2
2	−2

]
1. A2=4A
2. A3=24A
Which of the above is/are correct?

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8	−8

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