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

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Correct option is B

|A→| = 22+32+(-1)2=4+9+1 = 14|B→| = (-1)2+32+42 = 1+9+16 = 26A.→B→ = 2(−1)+3×3+(−1)(4) = 3The projection of A→ on B→ = A→.B→|B→| = 326

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If A→ = 2i^+3j^−k^ and B→ = −i^+3j^+4k^ then projection of A→ on B→ will be

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