Dot product of $$$\left\langle 5, -3, -1\right\rangle$$$ and $$$\left\langle -1, 2, 5\right\rangle$$$

The calculator will find the dot product of two vectors $$$\left\langle 5, -3, -1\right\rangle$$$ and $$$\left\langle -1, 2, 5\right\rangle$$$, with steps shown.
$$$\langle$$$ $$$\rangle$$$
$$$\langle$$$ $$$\rangle$$$

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Your Input

Calculate $$$\left\langle 5, -3, -1\right\rangle\cdot \left\langle -1, 2, 5\right\rangle$$$.


The dot product is given by $$$\mathbf{\vec{u}}\cdot \mathbf{\vec{v}} = \sum_{i=1}^{n} u_{i} v_{i}$$$.

Thus, what we need to do is multiply the corresponding coordinates and then add up the results: $$$\left\langle 5, -3, -1\right\rangle\cdot \left\langle -1, 2, 5\right\rangle = \left(5\right)\cdot \left(-1\right) + \left(-3\right)\cdot \left(2\right) + \left(-1\right)\cdot \left(5\right) = -16.$$$


$$$\left\langle 5, -3, -1\right\rangle\cdot \left\langle -1, 2, 5\right\rangle = -16$$$A