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Projection of the vector $2 \hat{i} + 3 \hat{j} + 2 \hat{k}$ on the vector $\hat{i} - 2 \hat{j} + 3 \hat{k}$ is

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Correct option is A

acosθ=a.→b→|b→|=2−6+614=214

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Projection of the vector 2i^+3j^+2k^ on the vector i^−2j^+3k^ is

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Projection of the vector $2 \hat{i} + 3 \hat{j} + 2 \hat{k}$ on the vector $\hat{i} - 2 \hat{j} + 3 \hat{k}$ is