Let $\left(-2-\frac{1}{3} i\right)^3=\frac{x+i y}{27}$,where $i=\sqrt{-1}$ and $x, y$ are real numbers. Then the value of $(y-x)$ is:

  • A
    -$91$
  • B
    -$85$
  • C
    $85$
  • D
    $91$

Explore More

Similar Questions

Let ${\left( { - 2 - \frac{1}{3}i} \right)^3} = \frac{{x + iy}}{{27}}$ where $i = \sqrt{-1}$ and $x, y$ are real numbers,then $y - x$ equals

If $z = 1 + i,$ then the multiplicative inverse of $z^2$ is (where $i = \sqrt{-1}$)

The real values of $x$ and $y$ for which the equation $({x^4} + 2xi) - (3{x^2} + yi) = (3 - 5i) + (1 + 2yi)$ is satisfied,are

$\frac{(1+i)x-2i}{3+i} + \frac{(2-3i)y}{3-i} = i$. Find the value of $x+y$.

The smallest positive integer $n$ for which $(1 + i)^{2n} = (1 - i)^{2n}$ is

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo