Martper2794 Martper2794

16-02-2024
Mathematics

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Which of the following expresses 1+5+25+125+625+3125 in sigma notation?
6
(a) Σ (-5)ᵏ⁻¹
(k=1)
5
(b) Σ (-1)ᵏ(5)ᵏ
(k=0)
3
(c) Σ (-1)ᵏ⁺¹(5)ᵏ⁺²
(k=-2)

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