If A=[\table 2 ,+1 ; -1 , 2 ] and I is the unit matrix of order 2, then A^{2} is equal to

CGPET 2018 Solved Paper

Section: Mathematics

Question : 120 of 150

Marks: +1, -0

If A=[

2	+1
−1	2

] and I is the unit matrix of order 2, then A2 is equal to

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