PLS HELP 200 Σ j=1 2j( j + 3) Describe the steps to evaluate the summation. What is the sum?

Question

PLS HELP

200
Σ
j=1
2j( j + 3)
Describe the steps to evaluate the summation. What is the sum?

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Euphemia 4 years 2021-08-12T06:21:37+00:00 2 Answers 156 views 0

Answers ( )

  1. thuthao
    1
    2021-08-12T06:22:58+00:00
    Reply

    Answer:

    Distribute 2j to (j+3).

    Rewrite the summation as the sum of two individual summations.

    Evaluate each summation using properties or formulas from the lesson.

    The lower index is 1, so any properties can be used.

    The sum is 5,494,000.

    Step-by-step explanation:

    EDGE 2021

  2. quangkhai
    1
    2021-08-12T06:23:10+00:00
    Reply

    Answer:

    Description:

    Distribute 2j to (j+3).

    Rewrite the summation as the sum of two individual summations.

    Evaluate each summation using properties or formulas from the lesson.

    The lower index is 1, so any properties can be used.

    The sum is 5,494,000.

    Step-by-step explanation:

    Edge 2020

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )