Question

b/(a-b)(a+b) + a/(a-b)(a+b)

Answer 1

7 · (A+B)(A-B) is a algebraic formula to find the value. Its prove is given below. (A+B)(A-B)=A( A-B)+B(A-B); (A+B)(A-B)=A^2-AB+BA-B^2; (A +B)(A-B)=A^2-B^2. hence proved ...

Answer 2

b/ a²-b² + a/ a²-b²
(b+a) / a²-b²
(a+b) / a²-b²
(a+b) / (a-b) (a+b)
1 / (a-b)