Question

(a²+b²÷a²-b²) - (a-b÷2(a-b))

Answer 1

Answer:

a2 – b2 = (a – b)(a + b) * (a+b)2 = a2 + 2ab + b2 * a2 + b2 = (a – b)2 + 2ab * (a – b)2 = a2– ... a²-ab+ba-b² [Multiplication Commutative Law].