Предмет: Математика, автор: bladeji

При каких значениях n будет целым значение дроба?
При яких цілих значеннях n буде цілим значення дробу?
 frac{n ^{2} -n+3}{n+1}

Ответы

Автор ответа: MrShimmy
0
Відповідь:
n1 = 0;
n2 = 4;
n3 = -2;
n4 = -6
Автор ответа: bladeji
0
А розв'язок?)
Автор ответа: MrShimmy
0
підбором
Автор ответа: bladeji
0
Нажаль така відповідь не влаштовує)
Автор ответа: MrShimmy
0
вибачай, але по іншому я не знаю як
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Пожалуйста, помогите (нужно вставить предлоги)
Fill in the prepositions using the text ‘At the Grocer’s’ for information:
If we cross … the road here we’ll be able to do … the shopping … the supermarket … there.
– Good morning, madam. What can I do … you. – I’d like half … a pound … butter, please.
You can buy some milk … the way … the butcher’s. When you get … the shop take a kilo … bacon.

Fill in the articles where necessary:
We’d like … pound of … pork and … bottle of … vinegar. We don’t keep … vinegar here at … butcher’s. You’d better go to … grocer’s.
– I am going to do … shopping as we need … cabbage, … tomatoes and … potatoes. – What about … fruit? – I think I should really buy … apples and … grapes.
– Would you like … anything? – I need half … pound of … meat. – Here you are. All … meat is fresh. I can offer you … excellent pork and … beef.
– There is … little sugar left. We need to buy some more at … supermarket. There is … confectionary department where I think they sell … sugar.
All … goods used to sell by … pound in … Great Britain but … system has changed. Most … measures are metric now.
I want to pay for … dress. I’ll pay with … hundred-pound note. Can you give … change? supermarket … there.
– Good morning, madam. What can I do … you. – I’d like half … a pound … butter, please.
You can buy some milk

Fill in the articles where necessary:
We’d like … pound of … pork and … bottle of … vinegar. We don’t keep … vinegar here at … butcher’s. You’d better go to … grocer’s.
– I am going to do … shopping as we need … cabbage, … tomatoes and … potatoes. – What about … fruit? – I think I should really buy … apples and … grapes.
– Would you like … anything? – I need half … pound of … meat. – Here you are. All … meat is fresh. I can offer you … excellent pork and … beef.
– There is … little sugar left. We need to buy some more at … supermarket. There is … confectionary department where I think they sell … sugar.
All … goods used to sell by … pound in … Great Britain but … system has changed. Most … measures are metric now.
I want to pay for … dress. I’ll pay with … hundred-pound note. Can you give … change?