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4 years ago

6

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

1 answer:

Lena [83]4 years ago

7 0

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

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