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toán 12 tuân 1

Authored by định vũ thị

Mathematics

KG - 1st Grade

Used 61+ times

toán 12 tuân 1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Tính đạo hàm của hàm số  a x+bcx+d\frac{a\ x+b}{cx+d}  

 adbc(cx+d)2\frac{ad-bc}{\left(cx+d\right)^2}  

 ad+bc(cx+d)2\frac{ad+bc}{\left(cx+d\right)^2}  

 bcad(cx+d)2\frac{bc-ad}{\left(cx+d\right)^2}  

 adbc(ax+b)2\frac{ad-bc}{\left(ax+b\right)^2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Đạo hàm của hàm số  y=12x3+4x27x+11y=12x^3+4x^2-7x+\sqrt{11}  là

 12x2+8x712x^2+8x-7  

 36x2+8x7+1136x^2+8x-7+\sqrt{11}  

 36x2+8x736x^2+8x-7   

 36x28x+736x^2-8x+7  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hàm số  f(x)=(x2+x)2019f\left(x\right)=\left(x^2+x\right)^{2019}  có đạo hàm bằng

 4038(x+1)(x2+1)4038\left(x+1\right)\left(x^2+1\right)  

 2019(2x+1)(x2+1)20182019\left(2x+1\right)\left(x^2+1\right)^{2018}  

 4038(2x+1)(x2+1)20184038\left(2x+1\right)\left(x^2+1\right)^{2018}  

 2019(2x+1)(x2+1)2019\left(2x+1\right)\left(x^2+1\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Trong bảng xét dấu trên, y' > 0 khi nào?

x(;2)x\in\left(-\infty;-2\right)

x(52;+)x\in\left(-\frac{5}{2};+\infty\right)

x(2;52)x\in\left(-2;\frac{5}{2}\right)

x(;2)(52;+)x\in\left(-\infty;-2\right)\cup\left(-\frac{5}{2};+\infty\right)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 y=x42x3+3xy=x^4-2x^3+3x  Đạo hàm của hàm số

y'= 4x36x2+34x^3-6x^2+3  

y' =x32x2+3=x^3-2x^2+3  

 y=4x36x2+3xy'=4x^3-6x^2+3x  

 y=4x32x2+3y'=4x^3-2x^2+3  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

đạo hàm của hàm số y=sinx là

cosx

-cosx

cotx

-cotx

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

đạo hàm của hàm số y=cos2x là

sin2x

-sin2x

2sin2x

-2sin2x

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