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a1=4, r= 1.732 what are the first 5 terms in the geometric sequence ?

 Nov 18, 2015

Best Answer 

 #3
avatar+26403 
+10

a1=4, r= 1.732 what are the first 5 terms in the geometric sequence ?

 

new edit without mistake:

 

\(a=4,\ r= 1.732 \)

 

 

\(\begin{array}{lcl} a_1 = a &=& 4 \\ a_2 = a\cdot r &=& 4\cdot 1.732 \\ &=& 6.928 \\ a_3 = a\cdot r^2 &=& 4\cdot 1.732^2 \\ &=& 11.999296 \\ a_4 = a\cdot r^3 &=& 4\cdot 1.732^3 \\ &=& 20.7827806720 \\ a_5 = a\cdot r^4 &=& 4\cdot 1.732^4 \\ &=& 35.9957761239 \\ \end{array}\)

 

laugh

 Nov 18, 2015
 #1
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+5

a1=4, r= 1.732 what are the first 5 terms in the geometric sequence ?

 

4, 6.928,11.999296,  20.782780672, 35.995776123904................etc.

 Nov 18, 2015
 #2
avatar+26403 
+10

a1=4, r= 1.732 what are the first 5 terms in the geometric sequence ?

 

\(\begin{array}{lcl} a_1 = a &=& 4 \\ a_2 = a\cdot r &=& 4\cdot 1.732 \\ &=& 6.928 \\ a_3 = a\cdot r^2 &=& 4\cdot 1.732^2 \\ &=& 11.999296 \\ a_4 = a\cdot r^2 &=& 4\cdot 1.732^3 \\ &=& 20.7827806720 \\ a_5 = a\cdot r^2 &=& 4\cdot 1.732^4 \\ &=& 35.9957761239 \\ \end{array}\)

 

laugh

 Nov 18, 2015
 #3
avatar+26403 
+10
Best Answer

a1=4, r= 1.732 what are the first 5 terms in the geometric sequence ?

 

new edit without mistake:

 

\(a=4,\ r= 1.732 \)

 

 

\(\begin{array}{lcl} a_1 = a &=& 4 \\ a_2 = a\cdot r &=& 4\cdot 1.732 \\ &=& 6.928 \\ a_3 = a\cdot r^2 &=& 4\cdot 1.732^2 \\ &=& 11.999296 \\ a_4 = a\cdot r^3 &=& 4\cdot 1.732^3 \\ &=& 20.7827806720 \\ a_5 = a\cdot r^4 &=& 4\cdot 1.732^4 \\ &=& 35.9957761239 \\ \end{array}\)

 

laugh

heureka Nov 18, 2015

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