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find-Re-z-and-Im-z-of-e-i-1-2k-pi-1-10-1-1-




Question Number 139027 by mohammad17 last updated on 21/Apr/21
find Re(z) and Im(z) of [(e^(i(1+2k)π) )^(1/(10)) +1]^(−1)
findRe(z)andIm(z)of[(ei(1+2k)π)110+1]1
Commented by mohammad17 last updated on 21/Apr/21
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Answered by MJS_new last updated on 21/Apr/21
e^(i(1+2k)π) =−1  (−1)^(1/(10)) =e^((iπ)/(10)) =((√(10+2(√5)))/4)−((1−(√5))/4)i  (1/(1+((√(10+2(√5)))/4)−((1−(√5))/4)i))=(1/2)+(((1+(√5)−(√(5+2(√5))))/2))i
ei(1+2k)π=1(1)110=eiπ10=10+254154i11+10+254154i=12+(1+55+252)i

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