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(2-i)(2+i) please lmk the answer to this question.
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(2-i)(2+i) please lmk the answer to this question.

User Adarsh Sreeram
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2 Answers

5 votes
The answer would be 5
User Echo Nolan
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3 votes

Answer:


5

Explanation:


(2−i)(2+i)


2(2+i)−i(2+i)\\ 2⋅2+2i−i(2+i) \\2⋅2+2i−i⋅2−ii


4+2i−2i \\ 5+2i−2i \\ 5+0 \\ 5

Hope it is helpful...

User Dixit Panchal
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