NVAMediumJEE Main 2023 · 11 April, Shift 2Cross Product

Mathematics Question from JEE Main 2023 · 11 April, Shift 2

Let a=i^+2j^+3k^\vec{a} = \hat{i} + 2\hat{j} + 3\hat{k} and b=i^+j^k^\vec{b} = \hat{i} + \hat{j} - \hat{k}. If c\vec{c} is a vector such that ac=11\vec{a} \cdot \vec{c} = 11, b(a×c)=27\vec{b} \cdot (\vec{a} \times \vec{c}) = 27 and bc=3b\vec{b} \cdot \vec{c} = -\sqrt{3}|\vec{b}|, then a×c2|\vec{a} \times \vec{c}|^2 is equal to _____:

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