total mass of the lamina
1) A lamina has the shape region in the xy-plane bounded by the graphs of y = (25-x^2)^(1/2) , y = 0, x = 3, x = 5 If the density (in kg/m^3) at each point P in is inversely proportional to the square of the distance from P to the y-axis, with (5,0,0) = 1 kg/m^3. Find the mass of the lamina [Assume a constant thick