The solutions of $x + \dfrac{1}{y} = \dfrac{5}{2},\ y + \dfrac{1}{x} = 3$ are —

• a$(1, 2)$ and $\left(\dfrac{1}{2}, 1\right)$
• b$(2, 1)$ and $\left(1, \dfrac{1}{2}\right)$
• c$\left(1, \dfrac{1}{2}\right)$ and $(2, 1)$
• d$(1, 2)$ only