Let ω be a complex cube root of unity with ω ≠ 1. A fair die is thrown three times. If r…
Mathematics · JEE Advanced · NTA Exams — Statistics and Probability
Let ω be a complex cube root of unity with ω ≠ 1. A fair die is thrown three times. If r1, r2 and r3 are the numbers obtained on the die, then the probability that
ωr1 + ωr2 + ωr3 = 0 is
ωr1 + ωr2 + ωr3 = 0 is
Answer
(B)
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