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    				| 1. | A decimal number 'm' (say) can be expressed as m=1+D where lrarr integer part and Drarr decimal part, 0leDlt1 and [m]= greatest integer less than or equal to m if 0ltDlt0.5 Hence, f(x, y)={{:([x+y]if0ltDlt0.5),({x+y} if 0.5leDlt1),((x+y)" otherwise"):} "Also,"F(f(x, y))=-f(x, y) "and"G(f(x, y))=-F(f(x, y)) Which of the following expressions will yeild a number which has a positive integral square root if if x, y are positive | 
| Answer» `G(F(1.2, 1.3))xxf(F(f(2,1).G)g)4,1))` | |