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Express the series below in summation notation for the specified number of terms.

e)0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9

f)4 + 8 + 12 + 16 + 20

asked Jan 29, 2015 in PRECALCULUS by anonymous

1 Answer

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Step 1:

e)The series is image.

Formula for summation notation of a sequence:image.

The series image has 10 terms and each of the form image.

image starts with 0 and ends with 9.

Summation notation for the series is,

image.

Step 2:

f)The series is image

Formula for summation notation of a sequence:image.

image

The series image has 5 terms and each of the image, image starts with 1 and ends with 5.

Summation notation for the series is,

image.

Solution:

e) image.

f) image.

answered Jan 30, 2015 by cameron Mentor

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