At Westonci.ca, we connect you with experts who provide detailed answers to your most pressing questions. Start exploring now! Get the answers you need quickly and accurately from a dedicated community of experts on our Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

Based on what you've read, answer the following questions.

1. Look at the following sum:

[tex]\[ 1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \frac{1}{16} + \frac{1}{32} + \frac{1}{64} \ldots \][/tex]

Notice that the denominator of each fraction in the sum is twice the denominator that comes before it.

If you continue adding fractions according to this pattern, will you reach a sum of 2?


Sagot :

Let's explore the sum of the given series step-by-step.

The series provided is:
[tex]\[ 1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \frac{1}{16} + \frac{1}{32} + \frac{1}{64} + \ldots \][/tex]

This series is an example of an infinite geometric series. In a geometric series, each term after the first is found by multiplying the previous term by a constant called the common ratio (r).

For this series:
- The first term (a) is 1.
- The common ratio (r) is [tex]\(\frac{1}{2}\)[/tex].

The sum [tex]\(S\)[/tex] of an infinite geometric series can be found using the formula:
[tex]\[ S = \frac{a}{1 - r} \][/tex]

Substituting the values from the given series:
[tex]\[ a = 1 \][/tex]
[tex]\[ r = \frac{1}{2} \][/tex]

Now, let's plug these values into the formula:
[tex]\[ S = \frac{1}{1 - \frac{1}{2}} \][/tex]
[tex]\[ S = \frac{1}{\frac{1}{2}} \][/tex]
[tex]\[ S = 2 \][/tex]

Therefore, the sum of the infinitely continuing series:
[tex]\[ 1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{8} + \frac{1}{16} + \frac{1}{32} + \frac{1}{64} + \ldots \][/tex]
will approach [tex]\(2\)[/tex] as the number of terms goes to infinity.

So, the sum of this series reaches 2 when it is extended to infinity.
Thank you for choosing our service. We're dedicated to providing the best answers for all your questions. Visit us again. We appreciate your time. Please come back anytime for the latest information and answers to your questions. Thank you for trusting Westonci.ca. Don't forget to revisit us for more accurate and insightful answers.