Class 11Mathematics4-1.Complex numbers Integral power of iota, Algebraic operations and Equality of complex numbers
EasyThe additive inverse of $1 - i$ is
- A$0 + 0i$
- B$-1 - i$
- C$-1 + i$
- DNone of these
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View SolutionLet $\left(-2-\frac{1}{3} i\right)^3=\frac{x+i y}{27}$,where $i=\sqrt{-1}$ and $x, y$ are real numbers. Then the value of $(y-x)$ is:
Evaluate: $\left[i^{18}+\left(\frac{1}{i}\right)^{25}\right]^{3}$.
Medium
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