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Home > A2C > Chapter 12 > Lesson 12.3.2 > Problem 12-150

12-150.
  1. Let p = 2 + 5i and q = 3 − 4i. Calculate each of the following and give your answer in the form a + bi. Homework Help ✎

    1. p − q

    2. p · q

    3. p2

(2 + 5i) − (3 − 4i)

Use a generic rectangle.

26 + 7i

Multiply by the conjugate and simplify.

See part (b).