1.

Joint equation of the two lines x+y=1 and x-y=4 is

Answer»

`X^(2)-y^(2)=-4`
`x^(2)-y^(2)=4`
`(x+y-1)(x-y-4)=0`
`(x+y+1)(x-y+4)=0`

ANSWER :C


Discussion

No Comment Found

Related InterviewSolutions