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frx
 2 years ago
Can someone show me way \[\sqrt{(16i)^{2}+4(7+9i)} = 3+4i\]
frx
 2 years ago
Can someone show me way \[\sqrt{(16i)^{2}+4(7+9i)} = 3+4i\]

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Rimplestorck
 2 years ago
Best ResponseYou've already chosen the best response.0you could maybe square both sides? does it work?

frx
 2 years ago
Best ResponseYou've already chosen the best response.0Well, I don't have the answer 3+4i from the beginning so that wouldn't work

frx
 2 years ago
Best ResponseYou've already chosen the best response.0@mukushla could you please check this out?

mukushla
 2 years ago
Best ResponseYou've already chosen the best response.1simplify under radical first

frx
 2 years ago
Best ResponseYou've already chosen the best response.0\[\sqrt{(3512i)+(28+36i)}\]

mukushla
 2 years ago
Best ResponseYou've already chosen the best response.1yes right and..simplify further

mukushla
 2 years ago
Best ResponseYou've already chosen the best response.1now see this ... very complete article about taking square root of a complex number

frx
 2 years ago
Best ResponseYou've already chosen the best response.0That pdf was really great, can't thank you enough! :D
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