Let (-2- i 3 )^ 3 = x+i y 27 ,(i= -1 ) , where x and y are real numbers, then y - x…
Mathematics · JEE Main · NTA Exams — Complex Numbers and Quadratic Equations
Let \(\left(-2-\frac{i}{3}\right)^{3}=\frac{x+i y}{27},(i=\sqrt{-1})\), where x and y are real numbers, then y - x equals:
- -85
- 85
- -91
- 91
Answer
(C) -91
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