Đề số 16

$5-5i$

$-5i$

$-5+5i$

$-1+i$

$\frac{x^{2020}}{2020}$

$y=2019x^{2018}$

$\frac{x^{2020}}{2020}-1$

$\frac{x^{2020}}{2020}+1$

$A_{10}^7$

${10}^3$

$A_{10}^3$

$C_{10}^3$

0

1

3

2

$R=\sqrt{99}$

$R=1$

$R=7$

$R=\sqrt{151}$

Điểm Q

Điểm P

Điểm M

Điểm N

$x={\log }_{2}3$

$x={\log }_{3}2$

$x=2^3$

$x=3^2$

$a^{\frac{5}{6}}$

$a^{\frac{11}{6}}$

$a^{\frac{10}{3}}$

$a^{\frac{7}{3}}$

4

3

24

8

$V=\frac{\pi a^3\sqrt{3}}{3}$

$V=\pi a^3$

$V=\frac{\pi a^3}{3}$

$V=3\pi a^3$

$2{\text{e}}^3$

2

2e

e

${\left(x-1\right)}^2+{\left(y-2\right)}^2+{\left(z-3\right)}^2=5.$

${\left(x-1\right)}^2+{\left(y-1\right)}^2+{\left(z-1\right)}^2=5.$

${\left(x-1\right)}^2+{\left(y-1\right)}^2+{\left(z-1\right)}^2=25.$

${\left(x-1\right)}^2+{\left(y-2\right)}^2+{\left(z-3\right)}^2=29.$

3

0

1

2

$3a+2b=10$

$a^3{b}^2=10$

$a^3+b^2=10$

$a^3+b^2=1$

$ab=-3.$

$ab=3.$

$ab=6.$

$ab=-6.$

$\left\{\begin{array}{l}x=t\\ y=0\\ z=0\end{array}\right.$

$\left\{\begin{array}{l}x=0\\ y=t\\ z=0\end{array}\right.$

$\left\{\begin{array}{l}x=0\\ y=t\\ z=t\end{array}\right.$

$\left\{\begin{array}{l}x=0\\ y=0\\ z=1+t\end{array}\right.$

R

$\left[0;+\infty \right)$

$\left(-\infty ;0\right)$

$\left(0;+\infty \right)$

$V=12a^3\sqrt{3}$

$V=6a^3\sqrt{3}$

$V=2a^3\sqrt{3}$

$V=24a^3\sqrt{3}$

$I=\frac{2^{4036}-1}{\ln 2}.$

$I=\frac{2^{4036}-1}{2018}.$

$I=\frac{2^{4036}}{2018\ln 2}.$

$I=\frac{2^{4036}-1}{2018\ln 2}.$

3

5

6

4

$d=\sqrt{2}$

$d=\frac{2\sqrt{3}}{3}$

$d=\frac{\sqrt{21}}{7}$

$d=1$

$x=-1,y=-3$

$x=1,y=3$

$x=-\frac{11}{3},y=\frac{1}{3}$

$x=\frac{11}{3},y=\frac{1}{3}$

$\frac{994}{4845}$

$\frac{3851}{4845}$

$\frac{1}{71}$

$\frac{36}{71}$

$60°$

$45°$

$30°$

$90°$

4

2

3

1

$AB=4\sqrt{2}$

$AB=4\sqrt{15}$

$AB=4\sqrt{10}$

$AB=4\sqrt{6}$

$z=3+3i$

$z=3-5i$

$z=-1+i$

$z=5-i$

$\left(-2;0\right)$

$\left(0;+\infty \right)$

$\left(-\infty ;-2\right)$

$\left(0;4\right)$

$\frac{1}{2}\ln \left|2x-1\right|+C$

$\frac{1}{2}\ln \left(2x-1\right)+C$

$\ln \left|2x-1\right|+C$

$2\ln \left|2x-1\right|+C$

11

7

5

13

$\frac{x-1}{1}=\frac{y-2}{-1}=\frac{z}{1}$

$\frac{x-2}{1}=\frac{y-1}{-1}=\frac{z-1}{-1}$

$\frac{x-2}{2}=\frac{y-1}{1}=\frac{z-1}{2}$

$\frac{x-1}{2}=\frac{y-2}{-1}=\frac{z}{2}.$

$\mathrm{14.865.000}$ đồng

$\mathrm{12.218.000}$ đồng

$\mathrm{14.465.000}$ đồng

$\mathrm{13.265.000}$ đồng

$\frac{7}{12}$

$\frac{11}{12}$

$\frac{13}{12}$

$\frac{9}{12}$

$V=a^3\sqrt{5}.$

$V=\frac{a^3\sqrt{14}}{3}.$

$V=2a^3.$

$V=6a^3.$