3 years ago

How to find the common ratio of an infinite geometric series with the given sum and first term?

Mathematics

1 answer:

Usimov [2.4K]3 years ago

8 0

What is the infinite geometric series

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igor_vitrenko [27]

Answer:

The value of x is 4 and y is -1 .

Step-by-step explanation:

First, you have make any term to have the same coefficient. So I will choose x term :

$6x + 5y = 19 - - - \times 2$

$12x + 10y = 38 - - - (1)$

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Next, you have to solve it by Elimination method :

$(1) - (2)$

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$substitute \: y = - 1 \: into \: (1)$

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