please help with the attached question

A microprocessor chip is being designed with a given rectangular area A. Show that the chip with the minimum perimeter should be a square. Let the length and width of the chip be x and y, respectively. An equation involving the three variables A, x, and y is]. (Type an equation.) If P is the perimeter of the rectangle, then an equation involving the three variables P, x, and y is . (Type an equation.) Use the equation involving A to rewrite the equation involving P so that it uses only P and x. The result describes P as a function of the single variable x. (Type an equation.) Find Set the derivative equal to zero, and solve the resulting equation to find the value for x for which a minimum may occur. What is the result? Note that because x is the length of the chip, it must be positive. * = To check that this x-value does indeed make P a minimum, use the second derivative. Find - d-p dx 2 d-P dy 2 At the x-value found earlier, dip is This means P a minimum at that x-value. Find the y-value that corresponds to the x-value found earlier. y = 0 Why does it follow that the chip with the minimum perimeter should be a square? O A. Since x= 2y, the length of the chip is exactly twice its width. O B. Since y = x, the sides of the rectangle have the same length. O C. Substituting x and y into the formula for the perimeter yields P = 0. Since the perimeter cannot be negative, this must be the minimum perimeter. O D. Substituting x and y into the formula for the area confirms that the area of the chip is A