Question

please helps me please please use
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Answer 1

Answer:

0

Step-by-step explanation:

$1 + \frac{ \frac{x}{y} - 1}{1 - \frac{x}{y} } = 1 + ( \frac{ (\frac{x}{y} - 1) }{( - ( \frac{x}{y} - 1)) } ) = 1 - ( \frac{ \frac{x}{y} - 1 }{ \frac{x}{y} - 1 } ) = 1 - 1 = 0$

Hope it helps

Answer 2

Answer:

Step-by-step explanation:

1+ x-y by y-x ....... here y gets cancel

then take - sign common from x-y so it becomes 1 - ( y-x ) by ( y-x ) so it becomes 1 - 1 = 0