Question

find th joint equation of lines x-y=0 and x+y=0​

Answer 1

Answer:

x - y = 0,

x + y = 0

( x - y ) ( x + y ) = 0

x2 + xy - xy + y2 = 0

x2 - y2 = 0

This two degree equation is pair of straight line

Step-by-step explanation:

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