If |\table x,y,0;0,x,y;y,0,x|=0,then which one of the following is correct? [NDA I 2017]

Correct Answer is : xy is one of the cube roots of −1

x/y is one of the cube roots of unity

x is one of the cube roots of unity

y is one of the cube roots of unity

x/y is one of the cube roots of -1

UPSC NDA I 2017 Mathematics Solved Paper

Question : 49 of 120

Marks: +1, -0

If |

|=0,then which one of the following is correct?

[NDA I 2017]

Go to Question:

Prev Question

Next Question