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fomenos
3 years ago
6

Help pls √-4 - √-25 Express complex numbers in terms of i

Mathematics
2 answers:
Bess [88]3 years ago
6 0
That would become 2i minus 5i which gives you negative 3i
kow [346]3 years ago
5 0

i=\sqrt{-1}\\\\\sqrt{-4}=\sqrt{(4)(-1)}=\sqrt4\cdot\sqrt{-1}=2i\\\\\sqrt{-25}=\sqrt{(25)(-1)}=\sqrt{25}\cdot\sqrt{-1}=5i\\\\\sqrt{-4}-\sqrt{-25}=2i-5i=-3i

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