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Old 01-27-2019, 01:13 AM
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Breadmaker Breadmaker is offline
Join Date: May 2009
Studying for CPD - and nuttin' else!
College: Swigmore U
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Posts: 5,739

The shortcut:

tp45 = l(45+t)/l(45); mu(45+t) =-dl(45+t)/l(45+t)

Multiply and cancel l(45+t) which leaves -dl(45+t)/l(45) = -(-1)/(103-45) = 1/(103-45)
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