/a\
|-|
\b/ b*k
--- + ---
p a
---------------------
/ //a\ \\
| ||-| ||
| b |\b/ b ||
p*|1 + -*|--- + -*k||
\ p \ p a //$$\frac{\frac{a \frac{1}{b}}{p} + \frac{b k}{a}}{p \left(\frac{b}{p} \left(k \frac{b}{a} + \frac{a \frac{1}{b}}{p}\right) + 1\right)}$$
/a\
|-|
\b/ b
--- + -*k
p a
---------------------
/ //a\ \\
| ||-| ||
| b |\b/ b ||
p*|1 + -*|--- + -*k||
\ p \ p a //$$\frac{k \frac{b}{a} + \frac{a \frac{1}{b}}{p}}{p \left(\frac{b}{p} \left(k \frac{b}{a} + \frac{a \frac{1}{b}}{p}\right) + 1\right)}$$
b a
-*k + ---
a b*p
---------------------
/ //a\ \\
| ||-| ||
| b |\b/ b ||
p*|1 + -*|--- + -*k||
\ p \ p a //$$\frac{\frac{a}{b p} + k \frac{b}{a}}{p \left(\frac{b}{p} \left(k \frac{b}{a} + \frac{a \frac{1}{b}}{p}\right) + 1\right)}$$
a b*k
--- + ---
b*p a
---------------------
/ //a\ \\
| ||-| ||
| b |\b/ b ||
p*|1 + -*|--- + -*k||
\ p \ p a //$$\frac{\frac{a}{b p} + \frac{b k}{a}}{p \left(\frac{b}{p} \left(k \frac{b}{a} + \frac{a \frac{1}{b}}{p}\right) + 1\right)}$$