1.If a⃗=2i^+3j^−k^\vec{a} = 2\hat{i} + 3\hat{j} - \hat{k}a=2i^+3j^−k^, b⃗=−i^+2j^−4k^\vec{b} = -\hat{i} + 2\hat{j} - 4\hat{k}b=−i^+2j^−4k^ and c⃗=i^+j^+k^\vec{c} = \hat{i} + \hat{j} + \hat{k}c=i^+j^+k^, then (a⃗×b⃗)⋅(a⃗×c⃗)=(\vec{a} \times \vec{b}) \cdot (\vec{a} \times \vec{c}) =(a×b)⋅(a×c)=a.−74-74−74b.646464c.−64-64−64d.747474Login to continueOnly logged in users canattempt or see the solution.