SOLUTION: first six terms of a1=300,d=50
first six terms of a1=200,d=-60
write the first five terms of geometric sequence a1=4,r=3
find a8 when a1=5,r=3
first five terms a1=4, r=3
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Question 477540: first six terms of a1=300,d=50
first six terms of a1=200,d=-60
write the first five terms of geometric sequence a1=4,r=3
find a8 when a1=5,r=3
first five terms a1=4, r=3
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Aritmetic sequence:
first six terms of a1=300,d=50
a1 = 300
a2 = 300 + 50 = 350
a3 = 350+50 = 400
a4 = 400+50 = 450
etc.
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first six terms of a1=200,d=-60
a1: 200
a2: 200-60 = 140
a3: 140-60 = 80
a4: 80-60 = 20
a5: 20-60 = -40
a6: -40-60 = -100
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write the first five terms of geometric sequence a1=4,r=3
find a8 when a1=5,r=3
a(8) = 5*3^7 = 10935
---------------------------
first five terms a1=4, r=3
a1 = 4
a2 = 4*3 = 12
a3 = 12*3 = 36
a4 = 36*3 = 108
a5 = 108*3 = 324
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Cheers,
Stan H.
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