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True or False:
For complex numbers aaa and bbb,
∣a∣×∣b∣=∣a×b∣. |a| \times |b| = | a \times b |. ∣a∣×∣b∣=∣a×b∣.
Evaluate
i×(−i). i \times ( -i) . i×(−i).
Note: ii i is the imaginary unit, where i2=−1i^2=-1i2=−1.
For any complex number zzz, which of the following must be equal to
"the real part of the imaginary part of zzz"?
Which of the following is equal to
1+i1−i? \frac{ 1 + i } { 1 - i }? 1−i1+i?
Are real numbers also complex numbers?
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