amelina1515 amelina1515
  • 01-02-2021
  • Mathematics
contestada


What is the common ratio of 9, 81, 729. -6561

Respuesta :

erinna erinna
  • 06-02-2021

Given:

Consider the given sequence is 9, 81, 729, 6561.

To find:

The common ratio.

Solution:

We have,

9, 81, 729, 6561

Here,

First term = 9

Second term = 81

Divide the second term by first term to get the common ratio.

[tex]r=\dfrac{81}{9}[/tex]

[tex]r=9[/tex]

Similarly,

[tex]\dfrac{81}{9}=\dfrac{729}{81}=\dfrac{6561}{729}=9=r[/tex]

Therefore, the common ratio is 9.

Answer Link

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