Vector Algebra

$3 \hat{\mathbf{i}}-\sqrt{11 \hat{\mathbf{j}}}-4 \hat{\mathbf{k}}$

$\hat{\mathbf{i}}-\sqrt{11 \hat{\mathbf{j}}}-5 \hat{\mathbf{k}}$

$-(\hat{\mathbf{i}}+\sqrt{11 \hat{\mathbf{j}}}+6 \hat{\mathbf{k}})$

$-5 \hat{\mathbf{i}}+\sqrt{11} \mathbf{j}+3 \hat{\mathbf{k}}$