The set `{(x, y)|x^(2) + y^(2) le 2}` is a convex set. True or False

The set {(x, y)|3 le x^(2) + y^(2) le 4} is not a convex set.

Express {(x,y):x^(2)+y^(2)=25 , where x,y inW} as a set of ordered pairs.

The solutiong set of |x^(2)-10| le 6 , is

The area of the region bounded by the curves {(x,y) : x^(2) + y^(2) le 4 , 2 le x + y } is __________ .

The area (in sq. units) of the region {(x,y):y^(2) le 2x and x^(2)+y^(2) le 4x , x ge 0, y le 0}, is

The area of the region {(x,y):x^(2)+y^(2) le 1 le x+y} , is

If R = {( x,y ) : x,y,in Z , x^2 + 3y^2 le 8} is a relation on the set of integers Z, then the domain R^(-1) is :

Find the area of the reigon defined by the set S = S_(3) - S_(1) - S_(2) . Where S_(1) = {(x, y), x^(2) + 2y^(2) le 2}, S_(2) = {(x, y): 2x^(2) + y^(2) le 2} and S_(3) = {(x,y): x^(2) + y^(2) le 2}

Let the set C = {(x, y) | x^2- 2^y = 2023 , x, y in } . Then sum_((x,y) in C) (x y) is equal to _______.