1.If a⃗=2i^+j^+3k^\vec{a} = 2\hat{i} + \hat{j} + 3\hat{k}a=2i^+j^+3k^, b⃗=i^+3j^−k^\vec{b} = \hat{i} + 3\hat{j} - \hat{k}b=i^+3j^−k^ and c⃗=3i^−j^−2k^\vec{c} = 3\hat{i} - \hat{j} - 2\hat{k}c=3i^−j^−2k^, then the value of ∣a⃗⋅a⃗a⃗⋅b⃗a⃗⋅c⃗b⃗⋅a⃗b⃗⋅b⃗b⃗⋅c⃗c⃗⋅a⃗c⃗⋅b⃗c⃗⋅c⃗∣\begin{vmatrix} \vec{a}\cdot\vec{a} & \vec{a}\cdot\vec{b} & \vec{a}\cdot\vec{c} \\ \vec{b}\cdot\vec{a} & \vec{b}\cdot\vec{b} & \vec{b}\cdot\vec{c} \\ \vec{c}\cdot\vec{a} & \vec{c}\cdot\vec{b} & \vec{c}\cdot\vec{c} \end{vmatrix}a⋅ab⋅ac⋅aa⋅bb⋅bc⋅ba⋅cb⋅cc⋅c isa.202020202020b.202520252025c.203020302030d.184918491849Login to continueOnly logged in users canattempt or see the solution.
