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jek_recluse [69]
4 years ago
14

I really need help !!!!!!!!!!!

Mathematics
1 answer:
Y_Kistochka [10]4 years ago
6 0
Ln20+ln5=2ln x
ln(20*5) = ln x^2
ln 100 = ln x^2
100 = x^2
x = 10   second option
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