1) 1/(x-2a) + 1/(x+2a) + 8a^2/(4a^2x - x^3)

Combine the first two terms: 2x / (x^2 - 4a^2).

Find a common denominator for all three terms, which is x(2a-x)(2a+x).

Simplify the expression to: x / (4a^2 - x^2).