Exploring Complex numbers

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Another way to express √-1 is?

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A complex number can be expressed as a + bi. What does a represent?

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the real part of the complex number

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Front

Define a complex number.

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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.

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What is the imaginary unit i?

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What is the real part of a complex number?

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In a complex number a + bi, the real part is the value a.

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What is the imaginary part of a complex number?

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In a complex number a + bi, the imaginary part is the value b.

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How do you add complex numbers?

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To add complex numbers, add their real parts and their imaginary parts separately.