Sn=(2n+1)/4

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Solution for Sn=(2n+1)/4 equation: 



S=(2S+1)/4

We move all terms to the left:

S-((2S+1)/4)=0

We multiply all the terms by the denominator


S*4)-((2S+1)=0

Wy multiply elements

4S^2=0

a = 4; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·4·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$S=\frac{-b}{2a}=\frac{0}{8}=0$

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