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.