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Home > INT3S > Chapter 8 > Lesson 8.2.1 > Problem 8-69

8-69.

  1. Multiplica y simplifica cada expresión. Homework Help ✎

    1. (3 + 2i)(4 + i)

    2. (2 + 3i)(2 – 3i)

    3. (5 – 2i)(5 + 2i)

    4. (a + bi)(a – bi)

Usa un modelo de área. Recuerda que i2 = −1.

10 + 11i

Mira la parte (a).

Mira la parte (a).

a2 + b2

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