SATHEE: Pair Of Straight Lines Question 75

Pair Of Straight Lines Question 75

Question: If the lines $ (p-q)x^{2}+2(p+q)xy+(q-p)y^{2}=0 $ are mutually perpendicular, then

Options:

A) $ p=q $

B) $ q=0 $

C) $ p=0 $

D) p and q may have any value

Show Answer

Answer:

Correct Answer: D

Solution:

Here $ a+b=0 $ for every p and q.

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Pair Of Straight Lines Question 75

Question: If the lines $ (p-q)x^{2}+2(p+q)xy+(q-p)y^{2}=0 $ are mutually perpendicular, then

Options:

Answer:

Solution:

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