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Types of Vectors

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Question 1 of 5

In order to calculate the direction cosine between the two points which is given as $M\left(x_{1}, y_{1}, z_{1}\right)$ and $N\left(x_{2}, y_{2}, z_{2}\right)$ , what is the expression calculating the distance between the point ?

$M N=\sqrt{\left(x_{1} x_{2}\right)^{2}+\left(y_{1} y_{2}\right)^{2}+\left(z_{1} z_{2}\right)^{2}}$

$M N=\sqrt{\left(\frac{x_{1}}{x_{2}}\right)^{2}+\left(\frac{y_{1}}{y_{2}}\right)^{2}+\left(\frac{z_{1}}{z_{2}}\right)^{2}}$

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Types of Vectors

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Question 1 of 5

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