. When simplified ( x-1 + y-1) -1 is equal to
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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:
Answered by
1
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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