Translate to an expression: 'the ratio of (a+b)(a+b)(a+b) to (a−b)(a-b)(a−b), where a>ba > ba>b'.
a+ba−b\frac{a+b}{a-b}a−ba+b
(a+b)(a−b)(a+b)(a-b)(a+b)(a−b)
a−ba+b\frac{a-b}{a+b}a+ba−b
(a+b)−(a−b)(a+b)-(a-b)(a+b)−(a−b)