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    				| 1. | A relation R: `ZrarrZ` defined by `R={(x,y)//y=x^(2)-1}` isA. one to one relation.B. many to one relation.C. many to many relationD. many to many relation. | 
| Answer» Correct Answer - B (i) Write some possibilities of (X,y) (ii) (2,3) and (-2,3) are th two elements of R. (iii) Now, check which type of relation is R. | |