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zaharov [31]
3 years ago
14

Tích các nghiệm của phương trình Log(x-1)²=2 là

Mathematics
1 answer:
NeTakaya3 years ago
5 0

Answer:

-99

Step-by-step explanation:

Log(x-1)²=2

Log(x-1)²=Log(100)

(x-1)²=100

x-1=10 and x-1=-10

x₁=11     and x₂=-9

x₁ × x₂ = 11 × (-9) = -99

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Read 2 more answers
The variable Z is directly proportional to X. When X is 3, Z has the value 54. What is the value of Z when X = 12
Ymorist [56]
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