QuestionsCategory: MathematicsUndetstanding Complex Numbers MTH 101
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A complex number is a number that can be expressed in the form a + bi, where a and b are real numbers and i is the imaginary unit, satisfying the equation i2 = −1. In this expression, a is the real part and b is the imaginary part of thecomplex number.

RULES IN COMPLEX NUMBERS
i2 = −1
i = √−1

SOLVED EXAMPLE

1, Simplify (3 − 2i)(1 + i)
solution

(3 − 2i)(1 + i)expanding this equation we have >> = 3 + 3i − 2i − 2i²
= 3 + i + 2 = 5 + i

UPDATING………………………
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