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6Ia' + Ix*6 = Ia'*12
Ix + Ia' =12Aï¼ ==> Ia' = 6Aï¼
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36 + Ia"*ï¼12+6ï¼- 6Ia" = 0ï¼ ==> Ia" = -3Aï¼
Ia = Ia' + Ia" = 3Aï¼
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