Question

. When simplified ( x-1 + y-1) -1 is equal to​

Answer 1

Answer: (x^-1 + y^-1)^-1

(1/x + 1/y )^-1

(y+x/xy)^-1

(xy/x+y)^1

xy/x+y

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Step-by-step explanation:

Answer 2

Answer:

xy/x+y

Step-by-step explanation:

( x-1 + y - 1 ) = ( 1/x + 1/y )-1 = ( x+y / xy )-1 = xy/ x + y

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