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If $\vec{A} = 3 \hat{i} + \hat{j} + 2 \hat{k} and \vec{B} = 2 \hat{i} - 2 \hat{j} + 4 \hat{k} then value of | \vec{A} \times \vec{B} | will be$

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Correct option is B

A→ ×B→ = i^j^k^3122−24= 1×4−2×−2i^ -2×2−4×3j^ +(3×−2−1×2)k^= 8i^ −8j^ −8k^∴Magnitude of A→ ×B→ = |A→ ×B→|= 82+(−8)2+(−8)2 = 83

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If A→ = 3i^+j^+2k^ and B→ = 2i^−2j^+4k^ then value of |A→ ×B→| will be

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If $\vec{A} = 3 \hat{i} + \hat{j} + 2 \hat{k} and \vec{B} = 2 \hat{i} - 2 \hat{j} + 4 \hat{k} then value of | \vec{A} \times \vec{B} | will be$