Question
The set of non-zero rational numbers is a group under the operation of:
The set of non-zero rational numbers is a group under the operation of:
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1.1 Exercise 1.1
Recall complex number z represented by an expression of the form z = a + ib or of the form (a, b) where a and b are real numbers and i = √−1.
Recognize a as a real part of z and b as an imaginary part of z.