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### Question Asked by a Student from EXXAMM.com Team

** Q 1367323285. ** If `P(3,2,-4), Q(5,4,-6)` and `R(9,8,-10)` are collinear,then `R` divides `PQ` in ratio?

#### HINT

According to section formula, the coordinates of `R` is given by `(frac{5 lambda+3}{lambda+1},frac{4 lambda+2}{ lambda+1}, frac{-6 lambda-4}{lambda+1})`