1.If p⃗\vec{p}p and s⃗\vec{s}s are not perpendicular to each other and r⃗×p⃗=q⃗×p⃗\vec{r} \times \vec{p} = \vec{q} \times \vec{p}r×p=q×p and r⃗⋅s⃗=0\vec{r} \cdot \vec{s} = 0r⋅s=0, then r⃗=\vec{r} =r=a.p⃗⋅s⃗p⃗⋅p⃗q⃗\frac{\vec{p} \cdot \vec{s}}{\vec{p} \cdot \vec{p}}\vec{q}p⋅pp⋅sqb.q⃗+q⃗⋅p⃗p⃗⋅p⃗p⃗\vec{q} + \frac{\vec{q} \cdot \vec{p}}{\vec{p} \cdot \vec{p}}\vec{p}q+p⋅pq⋅ppc.q⃗−q⃗⋅s⃗p⃗⋅s⃗ p⃗\vec{q} - \frac{\vec{q} \cdot \vec{s}}{\vec{p} \cdot \vec{s}}\ \vec{p}q−p⋅sq⋅s pd.μp⃗\mu\vec{p}μp for all scalars μ\muμLogin to continueOnly logged in users canattempt or see the solution.