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What is (5+2i)⋅(−5−i)
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3 votes
What is (5+2i)⋅(−5−i)

User Bellum
by
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1 Answer

4 votes

Answer: (-27i - 15)

Explanation:

By expanding,

(5 + 2i).(-5 - i)

= -25 - 5i - 10i - 2

= -25-2- 5i - 10i

= -27 - 15i..

User Mralexhay
by
8.7k points
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