4 Questions
What is the square of the imaginary unit $i$?
$-1$
Which of the following represents the complex conjugate of the complex number $3 + 4i$?
$3 - 4i$
What is the product of the complex numbers $(1 + i)$ and $(2 - i)$?
$3 - 3i$
What is the absolute value of the complex number $2 - 2i$?
$2 oot{2} ight)$
Test your knowledge of complex numbers with questions about imaginary units, complex conjugates, absolute values, and multiplication of complex numbers.
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