2 years ago

Find the limit of the geometric series. 1+1/2+1/4+1/8 a. 1 b.0 c. 1/2 d. 2

Mathematics

1 answer:

omeli [17]2 years ago

4 0

Answer:

Step-by-step explanation:

S=1+1/2+1/4+1/8+...

Multiply both sides by 2:

2S=2+1+1/2+1/4+1/8+....

Subtract equations:

-1S=-2

Divide both sides by -1

S=2

Or you could just keep adding more terms of the series to see it is approaching 2.

1+1/2=3/2=1.5

1+1/2+1/4=1.75

1+1/2+1/4+1/8=1.875

And so on..

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The sum of two numbers is 8. Is it possible for the difference of the two numbers to also be 8? Why or why not

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