UPSEE Solved Model Paper 2

Question : 148 of 150

Marks: +1, -0

The set of all a ∊ R, for which the vectors ai + 2aj – 3ak, (2a + 1)i + (2a + 3)j + (a + 1)k and (3a + 5)i + (a + 5)j + (a + 2)k are coplanar, is