CPM Homework Help : CCA2 Problem 8-141

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8-141.

Use the method developed in problem 8-140 to do the following division problems.

$\frac { 2 - 5 i } { 1 - 2 i }$
Step 1(a):
Multiply by a Giant One using the complex conjugate of the denominator.
Step 2(a):
Write the result as a complex number, $a + bi$ .
Answer (a):
$\frac{12}{5} - \frac{1}{5}i$

$(-3 + i) ÷ (2 + 3i)$
Hint (b):
Rewrite the division problem in fraction form.
See part (a) for more help.

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