Write the given expression in one sigma notation (with some extra terms added or subtracted from the sum, as necessary). $2 \sum _ { k = 3 } ^ { 20 } k ^ { 2 } + 3 \sum _ { k = 2 } ^ { 21 } k + \sum _ { k = 1 } ^ { 24 } 1$

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The Answer of Write the given expression in one sigma notation (with some extra terms added or subtracted from the sum, as necessary). $2 \sum _ { k = 3 } ^ { 20 } k ^ { 2 } + 3 \sum _ { k = 2 } ^ { 21 } k + \sum _ { k = 1 } ^ { 24 } 1$

Write the Given Expression in One Sigma Notation (With Some 2∑k=320k2+3∑k=221k+∑k=12412 \sum _ { k = 3 } ^ { 20 } k ^ { 2 } + 3 \sum _ { k = 2 } ^ { 21 } k + \sum _ { k = 1 } ^ { 24 } 12∑k=320​k2+3∑k=221​k+∑k=124​1

Write the Given Expression in One Sigma Notation (With Some $2 \sum _ { k = 3 } ^ { 20 } k ^ { 2 } + 3 \sum _ { k = 2 } ^ { 21 } k + \sum _ { k = 1 } ^ { 24 } 1$