Расчет: v0y34g - 1
X =
saknis(
R^2* ( ω* L- )^2)
X = saknis(
R^2* ( ω* L- )^2)$$X$$ = $$\sqrt {R^{2}\cdot (\omega\cdot L-\frac{1}{C\cdot \omega})^{2}}$$ 
X = L* ω* R- $$X$$ = $$L\cdot \omega\cdot R-\frac{R}{C\cdot \omega}$$ 
X = L* R* ω- $$X$$ = $$L\cdot R\cdot \omega-\frac{R}{C\cdot \omega}$$ 