WRITE THE FOLLOWING SETS IN TABULAR FORM.
(I) {x:x is a cube root of unity}
(II){x:x is a fourth root of unity}

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Solution

$(1) \{1, w, w^{2}\}, where w = \frac{- 1 + \sqrt{3} i}{2} (2) \{1, w, w^{2}, w^{3}\} = \{1, w, w^{2}\} Since w^{3} = 1$

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WRITE THE FOLLOWING SETS IN TABULAR FORM. (I) {x:x is a cube root of unity} (II){x:x is a fourth root of unity}

1 1,w,w2 , where w=-1+3i22 1,w,w2,w3=1,w,w2 Since w3=1

WRITE THE FOLLOWING SETS IN TABULAR FORM.
(I) {x:x is a cube root of unity}
(II){x:x is a fourth root of unity}

$(1) \{1, w, w^{2}\}, where w = \frac{- 1 + \sqrt{3} i}{2} (2) \{1, w, w^{2}, w^{3}\} = \{1, w, w^{2}\} Since w^{3} = 1$