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Find the dot product of $\vec{A} = \hat{i} + \hat{j}$ and $\vec{B} = 2 \hat{i} - 3 \hat{j} + 4 \hat{k}$

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detailed solution

Correct option is A

A→.B→=AxBx+AyBy+AzBzA→.B→=12+1-3+04=-1

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Find the dot product of A→=i^+j^ and B→=2i^-3j^+4k^

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Find the dot product of $\vec{A} = \hat{i} + \hat{j}$ and $\vec{B} = 2 \hat{i} - 3 \hat{j} + 4 \hat{k}$