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Another question on 4a

 
Ranch Hand
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The guidance to the question indicates that two methods were used in the solution. Am I right to assume that one of the two methods was the main method or were the two methods in addition to the main.
Peter
 
tumbleweed
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For 4a two and for 4b three methods, both inclusive main
Good luck
 
Ranch Hand
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I'm working on 4b, and the feedback I'm getting is 4 methods (main inclusive).
Just an fyi...
 
Johannes de Jong
tumbleweed
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Sorry, you are right Pete, I missed one
 
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