Jawabanmu

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2014-08-26T20:42:49+07:00
5(pngkt 4x) = 1/5 (akar 5)
5(pngkt 4x) = 5(pngkt -1).(5 pgkt 1/2)
5(pgkt 4x) = 5(pngkt -1/2)
4x = -1/2
x = -1/2 : 1/4
x = -2
1 5 1