Question 1133895

(m + n) / (m - n) + (m - n) / (m + n)

Find the sum.


Not sure how to continue.
<pre>{{{(m + n)/(m - n) + (m - n)/(m + n)}}}
{{{((m + n)(m + n) + (m - n)(m - n))/(m + n)(m - n)}}} ------- Multiplying each expression by LCD, (m - n)(m + n)
{{{highlight_green(matrix(1,5, (m^2 + 2mn + n^2 + m^2 - 2mn + n^2)/(m + n)(m - n), "======>", (m^2 + m^2 + 2mn - 2mn + n^2 + n^2)/(m + n)(m - n), "======>", highlight(matrix(1,3, (2m^2 + 2n^2)/(m + n)(m - n), "or", 2(m^2 + n^2)/(m^2 - n^2)))))}}} <b><======= CORRECT ANSWER</b>