Chapter . 5

Problem Statement

{30,31,32}
{5,7,11}
{1}
round((3*$a+4)/3,3)
$n*($n+1)/2
$n*($n+1)*(2*$n+1)/6
round($a*$s1+(4/3)*$s2-$f,3)

Evaluate the sum.

Step 1

Question Sequence

Question

Use linearity of the summation to expand .

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

Correct.
Incorrect.

Step 2

In order to use the formulas, the index, j, must begin at j = 1.

Question Sequence

Question

Rewrite and with j starting at j = 1.

iSba6t70dtA=

Correct.
Incorrect.

iSba6t70dtA=

Correct.
Incorrect.

Step 3

Question Sequence

Question

Substitute appropriately from step 2 to write the summation with index j =1. Round your answer to three decimal places.

or6dmYWrEbA=

Correct.
Incorrect.

Step 4

Recall the formulas and .

Question Sequence

Question

Using these formulas, evaluate . Round your answer to three decimal places.

ZzdQg+EVF0Y=

Correct.
Incorrect.