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calculer-1-2-i-3-2-3-




Question Number 176049 by doline last updated on 11/Sep/22
calculer (−1/2+i(√(3/2)^3 ))
calculer(1/2+i3/2)3
Answered by Rasheed.Sindhi last updated on 11/Sep/22
−1/2+i(√(3/2)^3 ))  =−(1/2)+i((√(3/2)) )^3   =−(1/2)+i((√(3/2)) )^2 ((√(3/2)) )  =−(1/2)+((3i)/2)∙(((√3) )/( (√2) ))∙(((√2) )/( (√2) ))  =−(1/2)+((3i)/2)∙(((√6) )/( 2 ))  =−(1/2)+((3i(√6) )/( 4 ))=((−2+3i(√6) )/4)
1/2+i3/2)3=12+i(3/2)3=12+i(3/2)2(3/2)=12+3i23222=12+3i262=12+3i64=2+3i64

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