Matematika 3 sigma i=1 (5i-1) =​

nakiamorarulv – June 08, 2023

3 sigma i=1 (5i-1) =​

[tex] \displaystyle \rm \sum_{i = 1}^{3} \: (5i - 1)[/tex]

[tex] \rm = (5(1) - 1) + (5(2) - 1) + (5(3) - 1)[/tex]

[tex] \rm = (5- 1) + (10- 1) + (15 - 1)[/tex]

[tex] \rm = 4 + 9+14[/tex]

[tex] \rm = 13+14[/tex]

[tex] \rm = 27[/tex]

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