Question

$frac{a+b}{a-b} - frac{a+b}{a}$

Answer 1

(a+b)/(a-b)  - (a+b)/a

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

Answer 2

не вижу тут формул упрощения

Answer 3

http://www.kontrolnaya-rabota.ru/s/equal-one/uproschenie-vyirazhenij/?form-TOTAL_FORMS=2&form-INITIAL_FORMS=2&form-MAX_NUM_FORMS=&simple=%28a%2Bb%29%2F%28a-b%29++-+%28a%2Bb%29%2Fa&form-0-name=a&form-0-letter_type=free&form-0-value=&form-1-name=x&form-1-letter_type=free&form-1-value=

Answer 4

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