3.3 Übungen

Aus Online Mathematik Brückenkurs 1

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</div>{{#NAVCONTENT:Svar|Svar 3.3:2|Lösning a|Lösning 3.3:2a|Lösning b|Lösning 3.3:2b|Lösning c|Lösning 3.3:2c|Lösning d|Lösning 3.3:2d}}
</div>{{#NAVCONTENT:Svar|Svar 3.3:2|Lösning a|Lösning 3.3:2a|Lösning b|Lösning 3.3:2b|Lösning c|Lösning 3.3:2c|Lösning d|Lösning 3.3:2d}}
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===Övning 3.3:3===
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<div class="ovning">
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Ber&auml;kna
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{| width="100%" cellspacing="10px"
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|a)
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|width="33%" | <math>\log_2{8}</math>
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|b)
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|width="33%" | <math>\log_9{\displaystyle \frac{1}{3}}</math>
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|c)
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|width="33%" | <math>\log_2{0{,}125}</math>
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|-
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|d)
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|width="33%" | <math>\log_3{\left(9\cdot3^{1/3}\right)}</math>
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|e)
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|width="33%" | <math>2^{\log_{\scriptstyle2}{4}}</math>
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|f)
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|width="33%" | <math>\log_2{4}+\log_2{\displaystyle \frac{1}{16}}</math>
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|-
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|g)
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|width="33%" | <math>\log_3{12}-\log_3{4}</math>
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|h)
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|width="33%" | <math>\log_a{\bigl(a^2\sqrt{a}\,\bigr)}</math>
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|}
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</div>{{#NAVCONTENT:Svar|Svar 3.3:3|Lösning a|Lösning 3.3:3a|Lösning b|Lösning 3.3:3b|Lösning c|Lösning 3.3:3c|Lösning d|Lösning 3.3:3d}}
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Version vom 08:29, 2. Apr. 2008

 

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Övning 3.3:1

Bestäm \displaystyle \,x\, om

a) \displaystyle 10^x=1\,000 b) \displaystyle 10^x=0{,}1
c) \displaystyle \displaystyle \frac{1}{10^x}=100 d) \displaystyle \displaystyle \frac{1}{10^x}=0{,}000\,1

Övning 3.3:2

Beräkna

a) \displaystyle \lg{ 0{,}1} b) \displaystyle \lg{ 10\,000} c) \displaystyle \lg {0{,}001} d) \displaystyle \lg {1}
e) \displaystyle 10^{\lg{2}} f) \displaystyle \lg{10^3} g) \displaystyle 10^{-\lg{0{,}1}} h) \displaystyle \lg{\displaystyle \frac{1}{10^2}}

Övning 3.3:3

Beräkna

a) \displaystyle \log_2{8} b) \displaystyle \log_9{\displaystyle \frac{1}{3}} c) \displaystyle \log_2{0{,}125}
d) \displaystyle \log_3{\left(9\cdot3^{1/3}\right)} e) \displaystyle 2^{\log_{\scriptstyle2}{4}} f) \displaystyle \log_2{4}+\log_2{\displaystyle \frac{1}{16}}
g) \displaystyle \log_3{12}-\log_3{4} h) \displaystyle \log_a{\bigl(a^2\sqrt{a}\,\bigr)}