$$\frac{ 1 }{ 2 } (4 \pi j _{ 2 } )+2 \pi { j }^{ 2 } +2 \pi js$$
$2\pi \left(js+j^{2}+j_{2}\right)$
$$2\left(\pi j_{2}+\pi j^{2}+\pi js\right)$$
$$\pi \left(j_{2}+j^{2}+js\right)$$
$$2\pi \left(j_{2}+j^{2}+js\right)$$
Show Solution
Hide Solution
