Pair Of Straight Lines Question 32

Question: The joint equation of the straight lines $ x+y=1 $ and $ x-y=4 $ is

[Karnataka CET 1993]

Options:

A) $ x^{2}-y^{2}=-4 $

B) $ x^{2}-y^{2}=4 $

C) $ (x+y-1)(x-y-4)=0 $

D) $ (x+y+1)(x-y+4)=0 $

Show Answer

Answer:

Correct Answer: C

Solution:

The joint equation of the given lines is $ (x+y-1)(x-y-4)=0. $



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