Answers

2016-03-11T14:15:10+05:30
Let (x1,y1,z1) = (-7,6,-3)
    (x2,y2,z2) = (7,-6,3)

now, (x2-x1, y2-y1, z2-z1) = (7+7 , -6-6, 3+3)
                                          = (14, -12, 6)

->
r(t) = (x1,y1,z1) + t(diff)
      = (-7,6,-3) + t(14, -12, 6)

x(t) = -7+14(t)
y(t) = 6-12(t)
z(t) = -3+6(t)



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