Сколько корней у уравнения x^4=1

1. a little2. a few3. a little, a few4. a little5. a few6. a little7. a few

1. very little2. very few3. very few4. very little5. very little6. very few

1.  bill is at the customs.2. custom's officer is asking bill questions.3. yes, he has. he has given the custom's officer his declaration form.4. bill will have to pay duty on whisky and cigarettes.5. bill's car is the 5-th in the line.6. bill has got three boxes of cigarettes.7. bill said he had only clothes.1. has bill already shown his declaration form? 2. what has bill shown custom's officer? 3. how many suitcases has bill? 4. how much whisky has bill? 5. why does bill have to pay duty? 6. why must custom's officer inspect bill's car? 7. how many pairs of socks does bill have? 8. who asked bill to wait a moment?

ответ:

объяснение:

это какой класс?

скалярных два корня 1 и -1

если проходили комплексные числа, то 4. еще добавляются i и -i