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Which of the following is a geometric sequence where a1 = 4 and r = 3? A) 4, 7, 10, 13, . . . B) 3, 7, 11, 15, . . . C) 4, 12, 36, 108, . . . D) 3, 12, 48, 192, . . .
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2 votes
Which of the following is a geometric sequence where a1 = 4 and r = 3?

A) 4, 7, 10, 13, . . .
B) 3, 7, 11, 15, . . .
C) 4, 12, 36, 108, . . .
D) 3, 12, 48, 192, . . .

User FlogFR
by
2.9k points

2 Answers

2 votes

Answer:

C

Explanation:

G.P= a,ar,ar^2,ar^3,...,

a1=4

a2=4×3=12

a3=4×9=36

a4=4×27=108

User Patonz
by
3.4k points
3 votes

Answer:

C 4,12,36 108

Explanation:

the answer is above.

User Blacksad
by
3.4k points
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