Question

plz solve this question
(algebraic rational expression)
do homely
plz answer my questions first.​

Answer 1

Answer:

$\frac{ {x}^{2} + {y}^{2} }{ {x}^{2} - {y}^{2} }$

Step-by-step explanation:

$\frac{x}{x - y} - \frac{y}{x + y} \\ \\ = \frac{x(x + y) - y(x - y)}{(x + y)(x - y)} \\ \\ = \frac{ {x}^{2} + xy - xy + {y}^{2} }{ {x}^{2} - {y}^{2} } \\ \\ = \frac{ {x}^{2} + {y}^{2} }{ {x}^{2} - {y}^{2} }$

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