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Operations on Complex NumbersSimplify each of the following and write in the form a + bi.(14 + 9i) – (1 + 101) =2i(13 + 151) =(8 + 73) - 3(11 + 121) =(4 - i)(6 + i) -

Operations on Complex NumbersSimplify each of the following and write in the form-example-1
User Ppearcy
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1 Answer

4 votes

(a) Given


(14\text{ + 9i\rparen -\lparen1 + 10i\rparen}

Open the bracket:


\begin{gathered} =\text{ 14 + 9i -1 - 10i} \\ Collect\text{ like terms} \\ =\text{ 14 -1 +9i -10i} \\ =\text{ 13 - i} \end{gathered}

Answer: 13 -i

(b)Given:


2i\text{ \lparen13 + 15i\rparen}

Open the b

User Muhammad Rio
by
6.7k points
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