LECTURE#16 EXERCISE 2.2 (PART#2)CUBE ROOTS OF UNITY THEIR PROPERTIES UNIT#2 CLASS 10 MATH KPK BOARDS

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EXERCISE 2.2 (PART#2)THEORY OF QUADRATIC EQUATIONS UNIT#2 CLASS 10 MATHEMATICS KPK BOARDS.
FIND CUBE ROOTS OF UNITY.
PROPERTIES OF CUBE ROOTS OF UNITY.
(1) THE SUM OF THE CUBE ROOTS OF UNITY IS ZERO .
THAT IS ONE PLUS OMEGA PLUS OMEGA SQUARE IS EQUAL TO ZERO.
(2) THE PRODUCT OF THE CUBE ROOTS OF UNITY IS 1 .
THAT IS ONE INTO OMEGA INTO MEGA SQUARE IS EQUAL TO MEGA CUBE IS EQUAL TO 1 .
(3) EACH COMPLEX CUBE ROOT OF UNITY IS RECIPROCAL OF THE OTHER.
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