Solution 3.3:1d

From Förberedande kurs i matematik 1

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m (Lösning 3.3:1d moved to Solution 3.3:1d: Robot: moved page)
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Exactly as in exercise c, we write the left-hand side as
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<center> [[Image:3_3_1d.gif]] </center>
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<math>\text{1}0^{-x}</math>, and the right-hand side as
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<math>0.000\text{1}=\text{1}0^{-4}</math>, i.e.
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<math>\text{1}0^{-x}=\text{1}0^{-4}</math>, which gives
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<math>x=\text{4}</math>.

Revision as of 12:51, 25 September 2008

Exactly as in exercise c, we write the left-hand side as \displaystyle \text{1}0^{-x}, and the right-hand side as \displaystyle 0.000\text{1}=\text{1}0^{-4}, i.e. \displaystyle \text{1}0^{-x}=\text{1}0^{-4}, which gives \displaystyle x=\text{4}.

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