Harvard Entrance Exams || 99% of Students Failed This Tricky Math Test ||

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[@RyanLewis-Johnson-wq6xs]

Sqrt[i]=0.5Sqrt[2]+0.5Sqrt[2]i=(Sqrt[2]+Sqrt[2]i)/2

[@에스피-z2g]

z=rt i z^2=i let z=cosA+i sinA z^2=cos 2A+i sin2A 2A=2/pi A=4/pi z=cos4/pi +isin4/pi z=(rt2+irt2)/2

[@RealQinnMalloryu4]

(x ➖ 1ix+1i) .