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Unit Vector from Direction Ratios
If direction ratios are:
$$l:m:n$$
then the corresponding unit vector is:
$$\hat a=\frac{l\hat i+m\hat j+n\hat k}{\sqrt{l^2+m^2+n^2}}$$
Usage
- Used to obtain a unit vector from given direction ratios.
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Unit Vector from Direction Ratios
If direction ratios are:
$$l:m:n$$
then the corresponding unit vector is:
$$\hat a=\frac{l\hat i+m\hat j+n\hat k}{\sqrt{l^2+m^2+n^2}}$$
Usage
- Used to obtain a unit vector from given direction ratios.
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