Math 172 Assignment Worksheet Page 5
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56. Simplify the following expressions and write your answer in the form a+bi.
a) ( 5+3i) ( 4 2i)
5+
b)
4+2
7. Find the imaginary solutions to the following equations.
2
a) 3a
+75 = 0
2
b) 2a
+75 = 0
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4
8. Write
2m
3m as a single radical. Leave your answer in radical form.
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