Cho X là biến ngẫu nhiên liên tục có hàm mật độ xác suất f(x) = . Hãy tìm E(min(|X|,1)).

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm