99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999.9999999999999999999999999999999999999999999999999999999999999999999999999999.0.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999=?
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Đề thi đánh giá năng lực
PQ
23
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NT
1
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13 tháng 10 2021
1 + 1 = 1 + 1 = 22 - 20 = ....................................= 2
K mik nha
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13 tháng 10 2021
a) x3 - 3x2 + 1 = 0 (1)
y' = 3x2 - 6x. y' = 0 <=> x1= 2 ; x2 = 0 . Thay các nghiệm vào (1): y1 = -3 ; y2 = 1
x y' y 0 2 1 -3 8 8
Cực đại y = 1 ; cực tiểu y = -3
Câu b bạn tự làm nhé mình mệt quá :))
=0 nhớ tít nha
99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999.9999999999999999999999999999999999999999999999999999999999999999999999999999.0.999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 = 0