AP EAMCET Engineering 22 Apr 2019 Shift 1 Paper

Section: Mathematics

Question : 38 of 160

Marks: +1, -0

Let α be a root of x2 + x + 1 = 0 and suppose that a fair die is thrown 3 times. If a, b, c are the numbers shown on the die. then the probability that αa+βb+αc = 0 is

2
36
1
27
1
72
2
9

Validate

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