JEE Math Practice Question
Let $${\left( { - 2 - {1 \over 3}i} \right)^3} = {{x + iy} \over {27}}\left( {i = \sqrt { - 1} } \right),\,\,$$ where x and y are real numbers, then y $$-$$ x equals :
- A.$$-$$ 85
- B.85
- C.$$-$$ 91
- D.91
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