Proof and Problem Solving - Direct Proof Example 01

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This video provides a simple example of a direct proof. Assuming "a", "b" in R, and "a" less than "b" less than 0, we show that a^2 greater than b^2. This proof is shown directly by using just the starting assumption, i.e. "a" less than "b" less than 0 and simple algebraic manipulations involving inequalities.

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MariannaLeros
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thapelobeqeke
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serinacat
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could you have just multiplied by a negative 1 and then said a>b>0 and fom there you could show that a^2>b^2 from there?

bossman
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