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3 votes
What is the value of the fourth term in a geomtric sequence for which a1=15

User Simon Fox
by
6.2k points

1 Answer

4 votes
Hello,

If you know the ration (i don't)
a(4)=a(3)*r=a(2)*r²=a(1)*r^3
==>a(4)=15*r^3



User GreenKiwi
by
6.8k points
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