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find the equation of the line passes throught the point (1,2,3) and is parallel to the vector 3i+2j-2k

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Vector Equation of a line passing through the point with position vector $\overrightarrow a$

and parallel to the given vector $\overrightarrow b$ is

$\overrightarrow r = \overrightarrow a  + t.\overrightarrow b$

$i.e.,\:\: \overrightarrow r =( \hat i + 2\hat j  + 3\hat k) + t(3\hat i+2\hat j- 2\hat k)$

The catesian equation is $\large\frac{x-x_1}{l}=\frac{y-y_1}{m}=\frac{ z-z_1}{n}$

That is $\large\frac{x-1}{3}= \frac{y-2}{2} = \frac{z+2}{-2}$
answered Oct 24, 2013 by vijayalakshmi_ramakrishnans
edited Oct 24, 2013 by rvidyagovindarajan_1

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