Q. Find the sum of the infinite geometric series.4+512+2536+125108+Write your answer as an integer or a fraction in simplest form.______
Identify Terms and Ratio: To find the sum of an infinite geometric series, we need to identify the first term a and the common ratio r of the series. The formula for the sum of an infinite geometric series is S=1−ra, where |r| < 1.
Calculate Common Ratio: The first term a of the series is the first number in the sequence, which is 4. The common ratio r can be found by dividing the second term by the first term, the third term by the second term, and so on. Let's calculate r using the first two terms: r=512/4.
Use Formula for Sum: Calculating the common ratio: r=512/4=512⋅41=2012=53.
Plug in Values: Now that we have the first term a=4 and the common ratio r=53, we can use the formula for the sum of an infinite geometric series: S=1−ra.
Calculate Sum: Plugging the values into the formula: S=1−534=524=4×25=220=10.
Calculate Sum: Plugging the values into the formula: S=1−534=524=4×25=220=10.The sum of the infinite geometric series is 10. This is an integer and it is in its simplest form.
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