^2log^2 (2x-2)-^2log(2x-2)=2
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Pertanyaan
^2log^2 (2x-2)-^2log(2x-2)=2
1 Jawaban
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1. Jawaban ImmanuelSinaga
misalkan ²log(2x-2)=y,maka
²log²(2x-2) - ²log(2x-2)=y²-y=2 maka y=2
²log(2x-2)=2
²log(2x-2)=²log4
2x-2=4
2x=4+2
x=6/2=3