UPSEE Solved Model Paper 1

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Question : 112 of 150
 
Marks: +1, -0
For some 𝛼 ∈ 𝑅, 𝑖𝑓
α−x
px
=
α−y
qy
=
α−z
rz
and p,q,r are in A.P. then
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