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eSpeX
 one year ago
Best ResponseYou've already chosen the best response.1Lay out 4 equations and FOIL them from left to right until you have done them all. \[(\sqrt{2}i)*(\sqrt{2}i)*(\sqrt{2}i)*(\sqrt{2}i)\]

u0860867
 one year ago
Best ResponseYou've already chosen the best response.0@eSpeX i am not really sure how this works because i just started learning this at school if you could explain me a bit on how to do it i will be realy grateful

eSpeX
 one year ago
Best ResponseYou've already chosen the best response.1Start with the first two \[(\sqrt{2}i)*(\sqrt{2}i)\]Using FOIL multiply your terms F  first terms O  outer terms I  inner terms L  last terms Once you have done that you add the next \[(\sqrt{2}i)\] and do it it all over, add your fourth \[(\sqrt{2}i)\]and do it again, combine terms and you have your answer.
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