Solution 1.3:3c

From Förberedande kurs i matematik 1

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The number
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<center> [[Image:1_3_3c.gif]] </center>
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<math>9</math>
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can be written as
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<math>9=3\centerdot 3=3^{2}</math>
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and therefore
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<math>9^{2}=\left( 3^{2} \right)^{2}=3^{2\centerdot 2}=3^{4}</math>

Revision as of 11:37, 15 September 2008

The number \displaystyle 9 can be written as \displaystyle 9=3\centerdot 3=3^{2}

and therefore \displaystyle 9^{2}=\left( 3^{2} \right)^{2}=3^{2\centerdot 2}=3^{4}

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