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Mathematics, 14.05.2021 18:40 Svetakotok

Which rational expression is undefined when a = 1? 6a²-6/7a+7
8a2/5a-10
10 a + 6/- a²+1
9a-3/3a²

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Which rational expression is undefined when a = 1? 6a²-6/7a+7
8a2/5a-10
10 a + 6/- a²+1...

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