Notasi Sigma
*) jika batas atas /bawah bertambah/berkurang , maka rumus sigmanya berkurang/bertambah
ᵇ∑ₐ (n) → ᵇ⁻ˣ∑ₐ₋ₓ ( n + x)
*
⁶∑₃ n(n - 1) ≡ ⁶⁺¹₃₊₁∑ (n -1)(n- 1 - 1) ≡ ⁷₄∑ (n -1)(n)
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Notasi Sigma
*) jika batas atas /bawah bertambah/berkurang , maka rumus sigmanya berkurang/bertambah
ᵇ∑ₐ (n) → ᵇ⁻ˣ∑ₐ₋ₓ ( n + x)
*
⁶∑₃ n(n - 1) ≡ ⁶⁺¹₃₊₁∑ (n -1)(n- 1 - 1) ≡ ⁷₄∑ (n -1)(n)