Physics - Vectors Question with Solution | TestHub

Two vectors $\overrightarrow{\mathrm{a}}=3\hat{\mathrm{i}}+8\hat{\mathrm{j}}-2\hat{\mathrm{k}}$ and $\overrightarrow{\mathrm{b}}=6\hat{\mathrm{i}}+16\hat{\mathrm{j}}+\mathrm{x}\hat{\mathrm{k}}$ are such that the component of $\overrightarrow{\mathrm{b}}$ perpendicular to $\overrightarrow{\mathrm{a}}$ is zero then the value of x will be :