Let α be a root of the equation x ^2 + x + 1 = 0 and the matrix A =1/\sqrt3[\table 1,1,1;1,\alpha,\alpha^2;1,\alpha^2,\alpha^4], then the matrix A^31 is equal to: [7-Jan-2020 Shift 1]

JEE Main 7 Jan 2020 Shift 1 Solved Paper

Section: Mathematics

Question : 55 of 75

Marks: +1, -0

Let α be a root of the equation x2+x+1=0 and the matrix A=

√3

[

], then the matrix A31 is equal to:

[7-Jan-2020 Shift 1]

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