Solve the equation, Check for extraneous solutions: 2e^x - 1 = 9
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Solve the equation, Check for extraneous solutions: 2e^x - 1 = 9

[From: ] [author: ] [Date: 12-07-17] [Hit: ]
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2eˣ-1 = 9

add 1 from both sides
2eˣ= 10

divide both sides by 2
eˣ=5

take the natural log of both sides
x = ln(5)

ln(5) = 1.60943791
x = 1.60943791
1
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