CPM Homework Help : PC3 Problem 11-88

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Home > PC3 > Chapter 11 > Lesson 11.2.1 > Problem 11-88

11-88.

Show that each of the following equations is true.

Hint:

$i^2 = −1$

$(i−3)^2=8−6i$
Step (a):
$(i − 3)(i − 3)$

$(2i−1)(3i+1)=$ $−7−i$
Step (b):
$(2i)(3i) + 2i − 3i − 1$

$(3−2i)(3+2i)=$ $13$
Step (c):
$9 + 3(2i) − 3(2i) − 4i^2$

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