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I have a question about the equation of a line
Are the forms <x0+at,y0+by,z0+tz>
And t=(x-x0)/a=(y-y0)/b=(z-z0)/c only for straight lines?
Are the forms <x0+at,y0+by,z0+tz>
And t=(x-x0)/a=(y-y0)/b=(z-z0)/c only for straight lines?