Question: ( b ) Define a relation on R R as follows: ( x 1 , y 1 ) ( x 2 , y 2 )

(b) Define a relation on RR as follows:
(x1,y1)(x2,y2) iff x12+y122=x22+y222
(i) Show that is an equivalence relation on RR
(b) Define a relation on RR as follows: (x1,y1)(x2,y2) iff x12+y122=x22+y222

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