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Calculus · Series-And-Sums

Sum k for k = 1 to 6

\sum_{k=1}^{6} k

Trin for trin

  1. \sum_{k=1}^{6} k

    Write the sum out.

  2. 1 + 2 + 3 + 4 + 5 + 6

    Expand the terms.

  3. = 21

    Closed form.

Afslør svaret
21