Solution:** To find a vector \(\mathbfv\) that is perpendicular to \(\mathbfw = \beginbmatrix 3 \\ 4 \endbmatrix\), we need \(\mathbfv \cdot \mathbfw = 0\). Let \(\mathbfv = \beginbmatrix x \\ y \endbmatrix\). The dot product condition gives: - Groen Casting