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Determine the area of the part of the paraboloid f(x,y) = a^2-x^2-y^2 (a is a
positive constant) above the xy-plane. Use polar coordinates.? Determine all complex numbers z which satisfy the equation z=√(1-√3) in the form a+bj. Find the principal root in exponential form (8)? -|x| + |y^2| when x=-3 and y=-2 please help I don't get it.? Que pasa si alguien toma 30 ibuprofenos de 200 Mg seguidos? Can you use a welding helmet with the solar eclipse?