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Asked to prove the addition rule from first priciples?

eoins2345 · 2010-01-09 00:46:18

In 2002 they were asked to prove the addition rule from first principles but are book concise maths only shows u how to prove it using logs.in the marking scheme it says no first principles is worthless and merits no marks.If you write down the log proof in the exam do you get full or no marks?

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09-01-2010 1:46am

#1

eoins2345

Closed Accounts Posts: 154 ✭✭

Join Date: December 2007

Posts: 123

In 2002 they were asked to prove the addition rule from first principles but are book concise maths only shows u how to prove it using logs.in the marking scheme it says no first principles is worthless and merits no marks.If you write down the log proof in the exam do you get full or no marks?

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#2 09-01-2010 2:27am
MathsManiac

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Are you talking about the addition rule or the product rule?

The addition rule is easy, and logs are not helpful.

If you're talking about the product rule, then see this thread:

http://www.boards.ie/vbulletin/showthread.php?t=2055576737

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#3 09-01-2010 1:53pm
eoins2345

Closed Accounts Posts: 154 ✭✭

Join Date: December 2007

Posts: 123

sorry ment the product rule.got mixed up.Thanks saw the thread before ages ago but couldnt remember the result of it.

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