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padilas [110]
3 years ago
14

What is equivalent to (4+5i)(4-5i)

Mathematics
2 answers:
Luden [163]3 years ago
6 0
16-25i because you have to find like terms and since there are parenthesis you have to mutiply the like terms
Lemur [1.5K]3 years ago
5 0
(4+5i)(4-5i)=(4)²-(5i)²=16-25(i)²=16-25(-1)=16+25=41
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