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The scalar product of two vectors $A = 2 \hat{i} + 2 \hat{j} - \hat{k}$ and $B = - \hat{j} + \hat{k}$ , is given by

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A· B = 3

A· B = 4

A· B = -4

A· B = -3

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Given, A=2i^+2j^-k^ and B=-j^+k^Scalar product, A·B=(2i^+2j^-k^)·(-j^+k^)Using i^·i^=1,j^·j^=1,k^·k^=1We have, A·B=-2-1=-3

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The scalar product of two vectors A=2i^+2j^-k^ and B=-j^+k^, is given by

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

The scalar product of two vectors $A = 2 \hat{i} + 2 \hat{j} - \hat{k}$ and $B = - \hat{j} + \hat{k}$ , is given by