- #1
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my text explains that a line segment is given by the equation r=(1-t)r0+tr1
such that 0<=t<=1
now i see how this formula is derived however i am not clear on why t must be between 0 and 1 if this is the equation for a line segment
such that 0<=t<=1
now i see how this formula is derived however i am not clear on why t must be between 0 and 1 if this is the equation for a line segment