Step 1 :\( \vec{n} \cdot \vec{d} = 3(-2) + (-2)(3) = 0 \)
Step 2 :\( \vec{N} \cdot \vec{D} = a(-b) + b(a) = 0 \)
Step 3 :\( (x-2)\cdot \vec{n}_{x} + (y-3)\cdot \vec{n}_{y} = 0 \Rightarrow (x-2)+\sqrt{2}(y-3)=0 \Rightarrow (x-2)+\sqrt{2}y-3\sqrt{2}=0 \Rightarrow x+\sqrt{2}y=3\sqrt{2} \)