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Unformatted text preview: 2 + x x + = 3 log 2 2 1 x x [ ] ) 3 ( log ) ( log 2 2 2 1 += x x Examples Rewrite each expression using a single logarithm. ) 1 log( ) 1 log( ) log( 2 2 ++ + x x x + + 1 ) 1 ( log 2 2 x x x [ ] ) ln( 2 ) 1 ln( ) 3 ln( 5 x x x+ + 5 2 ) 1 )( 3 ( ln + x x x Change of Base Formula Calculators have keys to compute base 10 (log) and base e (ln) logarithms. Some times it is necessary to compute the logarithm of a number using another base. log log log a b b M M a = = log log M a = ln ln M a 63 log Calculate 5 log log log 5 63 63 5 = = ln ln 63 5 2 574 . Examples 1495 log Calculate 2 2 log 1495 log 1495 log 2 = 2 ln 1495 ln = 5459 . 10...
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This note was uploaded on 01/22/2011 for the course MATH 2 taught by Professor Gardner during the Fall '08 term at Irvine Valley College.
 Fall '08
 GARDNER
 Calculus, PreCalculus

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