Question

5a^3b+5ab^3/a^4-b^4
помогите алгебра

Answer 1

$frac{5a^3b-5ab^3}{a^4-b^4}= frac{5ab(a^2-b^2)}{(a^2-b^2)(a^2+b^2)}= frac{5ab}{a^2+b^2}$