[" Consider the following regions in the plane: "],[R_(1)={(x,y):0<=x<=1" and "0<=y<=1}" and "R_(2)={(x,y):x^(2)+y^(2)<=4/3}],[" The area of the region "R_(1)nn R_(2)" can be expressed as "(a sqrt(3)+b pi)/(9)," where a and bare integers,then the value of at "]

Let R be the real number. Consider the following subsets of the plane R xx R S= {(x, y)}:y = x+1 and 0ltxlt 2 T= {(x, y)} : x-y is an integer. Which one of the following is true ?

Let R be the set of all real numbers. Consider the following subsets of the plane RxxR: S={(x,y):y=x+1and0ltxlt2}andT={(x,y):x-y is an integer} Then which of the following is true?

Let R be the real line, Consider the following subsets of the plane R xx R : S = {(x, y) : y = x + 1 " and " 0 lt x lt 2} T = {(x, y) : x - y is an integer}. Which one of the following is true ?

Let R be the real line. Consider the following subsets of the plane RxxR . S""=""{(x ,""y)"":""y""=""x""+""1""a n d""0""<""x""<""2},""T""=""{(x ,""y)"":""x-y"" is an integer }. Which one of the following is true?

Let R be the real line. Consider the following subsets of the plane RxxR . S""=""{(x ,""y)"":""y""=""x""+""1""a n d""0""<""x""<""2},""T""=""{(x ,""y)"":""x-y"" is an integer }. Which one of the following is true?

Let R be the real line. Consider the following subsets of the plane RxxR . S""=""{(x ,""y)"":""y""=""x""+""1""a n d""0""<""x""<""2},""T""=""{(x ,""y)"":""x-y"" is an integer }. Which one of the following is true?

Let R be the real line. Consider the following subsets of the plane RxxR . S""=""{(x ,""y)"":""y""=""x""+""1""a n d""0""<""x""<""2},""T""=""{(x ,""y)"":""x-y"" is an integer }. Which one of the following is true? (1) neither S nor T is an equivalence relation on R (2) both S and T are equivalence relations on R (3) S is an equivalence relation on R but T is not (4) T is an equivalence relation on R but S is not