Pair Of Straight Lines Question 140
Question: The area bounded by the angle bisectors of the lines $ x^{2}-y^{2}+2y=1 $ and the line $ x+y=3 $ , is
[IIT Screening 2004]
Options:
2
3
4
6
Show Answer
Answer:
Correct Answer: A
Solution:
The angle bisectors of the lines given by $ x^{2}-y^{2}+2y=1 $ are $ y=1 $ , $ x=0 $ .
Therefore, required area = $ \frac{1}{2}\times 2\times 2=2 $ .
 BETA
  BETA 
             
             
           
           
           
          