Chủ đề:
Bài 12: Chia đa thức một biến đã sắp xếpCâu hỏi:
Xác định hằng số a sao cho:
a) 2x^2 + 3ax+ 4 chia cho x+2 dư 3
b) x^2 + ( a-2)x- 2a+ 2 chia cho x - 2 dư 2
Bài 1 : Tính giá trị biểu thức
a) A= ( -xyz^2)^5: (-x^2 y z^3)^2 với x= -1, y= 1/2, z= -2
b) B= (8x^4 y^5 -12x^3 y^4) : ( -4x^3 y^4) với x= 2018, y=1/2
Bài 2: Tìm điều kiện số tự nhiên n để phép chia sau đây là phép chia hết:
a) (14x^9 y^3 - 5x^2n y^4) : (-2x^3 y^n)
b) (5x^3 y^n+1 - 3x^2 y^2) : (-3x^n-1 y^n)
1.He stood no chance of passing his exams. INEVITABLE
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2. I am sure that he missed the eleven o’clock train. CAN’T
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3. Not a word came out of her mouth. LOST
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4. I am not a solitary person, I’m sociable. RATHER
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5. You cannot choose which hotel you stay at on this package holiday. OPTION
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6. I certainly won’t change my mind about resigning. QUESTION
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7. You couldn’t do anything more stupid than to give up your job now. HEIGHT
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8. I really don’t know what you are talking about. FAINTEST
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9. I have hardly done anything today. NEXT
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10. Many people will congratulate her if she wins. SHOWERED