The lines p

Question:

The lines $p\left(p^{2}+1\right) x-y+q=0$ and $\left(p^{2}+1\right)^{2} x+\left(p^{2}+1\right) y+2 q=0$ are Perpendicular to a common line for :

  1. Exactly two values of p

  2. More than two values of p

  3. No value of p 

  4. Exactly one value of p


Correct Option: , 4

Solution:

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