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Mathematics, 02.10.2019 06:00 hokamidat

Lg(x-y+1)=0 and 1+lg (xy)=0,show x=y=1/√10
pls i'm confused about how it works i kept getting 1/10.

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Lg(x-y+1)=0 and 1+lg (xy)=0,show x=y=1/√10
pls i'm confused about how it works i kept gettin...
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