1 + i
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The conjugate will have equal magnitude. The angle from the real axis will be the same angle measure (but opposite direction).
Yes. All real numbers are considered complex numbers, with the imaginary part being equal to zero.
Here are some: 5, -2, 1/3, square root of 27, pi.The set of real numbers is a subset of the set of complex numbers. Any complex number can be represented in the form (a + bi), where a & b can be any real number, and i is the imaginary unit equal to sqrt(-1). So if b = 0, then we have just a, which is a real number.
A conjugate number refers to a complex number having both the imaginary and real parts of opposite signs and equal magnitude.
It need not be. For example, a complex number as a percent of most other complex numbers, or any real number, will not be a real number.