2. Which one of the following is a factor of x+y-xy-1?
(A) x +1
(B) y - x
(C) 1 - y
(D) y + 1
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Step-by-step explanation:
(C) 1 - y
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Answered by
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Step-by-step explanation:
2. Which one of the following is a factor of x+y-xy-1?
Ans. c
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