The area (in sq units) of the region `{(x, y) : y^2 gt= 2x and x^2 + y^2 lt= 4x, x gt= 0, y gt= 0}` 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 (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 (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 (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 (in sq units) of the region {(x,y):y^(2)>=2x and x^(2)+y^(2) =0,y>=0} is

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

If the area (in sq. units) of the region {(x,y): y^(2) lt= 4x,x+y lt=1,xgt=0,ygt=0} is asqrt2+b , then a-b is equal to :

The area (in sq. units) of the region described by A={(x,y):y ge x^(2) - 5x + 4, x+ y gt 1 , y le 0} is

If the area (in sq. units) of the region {(x,y):y^(2)le 4x, x+y le 1, x ge 0, y ge 0} is a sqrt(2) +b , then a-b is equal to :