SOLUTION: Perform the indicated operation and simplify. Write the answer in the form a + bi.
(4-2i)2
Possible answers:
A) None
B) 16 - 12i
C) 16 - 20i
D) 20 - 16i
E) 12 - 1
Algebra.Com
Question 728511: Perform the indicated operation and simplify. Write the answer in the form a + bi.
(4-2i)2
Possible answers:
A) None
B) 16 - 12i
C) 16 - 20i
D) 20 - 16i
E) 12 - 16i
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
(4-2i)^2
(4-2i)(4-2i)
4(4-2i)-2i(4-2i)
16-8i-8i+4i^2
16-8i-8i+4(-1)
16-8i-8i-4
12-16i which is Choice E)
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