Question

the quadrilateral formed by the pair of lines xy+ x +y+ 1 =0 ,xy +3x +3y+ 9= 0 is​

Answer 1

Answer:

9

Step-by-step explanation:

0 + 0 + 0 + 0 + 9

0 + 0 + 0 + 9

0 + 0 + 9

0 + 9

9