[" 12.The value of 'c' for which the "],[{(x,y)|x^(2)+y^(2)+2x<=1}nn{(x,y)|x-y+c>=0}" con "],[" only one point in common is : "]

The value of 'k' for which the set {(x,y)|x^(2)+y^(2)-2x-2y+1 =0} contains only one point in common is

The value of 'c' for which the set {(x,y)|x^(2)+y^(2)+2x<=1}nn{(x,y)|x-y+c<=0} contains only one point in common is

The value of 'c' for which the set {(x,y)|x^2+y^2+2x le 1}nn{(x,y)|x-y+cle0} contains only one point in common is

The value of 'c' for which the set {(x,y)|x^2+y^2+2x le 1}nn{(x,y)|x-y+cle0} contains only one point in common is

The value of 'c' for which the set {(x, y)|x^2+y^2+2xle1}bigcap{(x, y)|x-y+cge0)} contains only one point in common is

The number of values of a for which the system of equations 2^(|x|)+|x|=y+x^(2)+a and x^(2)+y^(2)=1 has only one solution where a,x,y are real, is

The number of values of a for which the system of equations 2^(|x|)+|x|=y+x^(2)+a and x^(2)+y^(2)=1 has only one solution where a,x,y are real, is

The set of values of a for which the point (2a, a + 1) is an interior point of the larger segment of the circle x^2 + y^2 - 2x - 2y - 8 = 0 made by the chord x - y +1 = 0 , is