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evablogger [386]
3 years ago
7

Which sequence is a geometric progression? A 2 4 6 8 B 1 1 2 3 С 1 2 4 8 D 1 3 5 7

Mathematics
1 answer:
Mars2501 [29]3 years ago
7 0

Answer:

c) 1 2 4 8

Step-by-step explanation:

<u>Explanation </u>:-

<u><em>Geometric sequence</em></u>

The sequence is of the form a , a r , a r² , a r³ ,.......

'a' is the first term

'r' is the common ratio

1 , 1(2) , 1( 2)² , 1( 2 )³ ......  is a geometric sequence

here a = 1

common ratio   r = \frac{a_{2} }{a_{1} } = \frac{2}{1} = 2

                        r =  \frac{4}{2} = 2

                       r =  \frac{8}{4} = 2

<em>The sequence 1 2 4 8 is a geometric sequence</em>

                         

     

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