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result of the scalar product between u 1 2 3 and v 0 2 1

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Result of the scalar product between u=(1,-2,3) and v=(0,2,1)

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Answer to a math question Result of the scalar product between u=(1,-2,3) and v=(0,2,1)

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118 Answers

1. Write out vectors:

\mathbf{u} = (1, -2, 3)

,

\mathbf{v} = (0, 2, 1)

.

2. Use dot product formula:

\mathbf{u} \cdot \mathbf{v} = u_1v_1 + u_2v_2 + u_3v_3 = 1 \cdot 0 + (-2) \cdot 2 + 3 \cdot 1

.

3. Calculate:

0 - 4 + 3 = -1

.

4. Final answer:

-1

.

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