Với a > 0, a ≠ 1, giá trị của logₐa là:

Kiểm Tra Trắc Nghiệm Toán 12

Quiz
•
Mathematics
•
12th Grade
•
Hard
Ngọc Thúy
FREE Resource
46 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a
0
1
log a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Đạo hàm của hàm số y = a^x là:
y' = a
y' = a^x ln a
y' = x a^{x-1}
y' = ln x · a^x
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hàm số y = ln x có đạo hàm là:
y' = 1/x
y' = x ln x
y' = ln x + 1
y' = x
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hàm số y = e^x có đạo hàm là:
y' = x e^x
y' = ln x · e^x
y' = e^x
y' = 1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giá trị của logₐ(bc) bằng:
logₐb + logₐc
logₐb · logₐc
logₐb / logₐc
logₐb - logₐc
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với f(x) = x^α, đạo hàm là:
f'(x) = αx^{α - 1}
f'(x) = x^α · ln x
f'(x) = αx
f'(x) = x^{α + 1}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hàm số y = logₐu(x) có đạo hàm:
y' = (1 / (u ln a)) · u'
y' = ln u · a
y' = a^u · u'
y' = logₐu'
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