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Jan23-13, 05:24 PM   #2
 
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hi bobbles22!
Quote by bobbles22 View Post
0.4 e(-6000/λ) = 0.5 e(-8000/λ)

Take the Log of both sides....

(-6000/λ) log 0.4 = (-8000/λ) log 0.5
nooo
(-6000/λ) + log 0.4 = (-8000/λ) + log 0.5