
toán cuối kì 2 lỏd
Authored by Danh Vu
Mathematics
12th Grade
Used 1+ times

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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biết F(x)là nguyên hàm của hàm số f(x)=x^2+cosx thoả mãn f(0)=6.Tìm F(x)
f(x)=sinx+x3/3+6
f(x)=sinx+x3/3-6
sinx+x3/3
-sinx+x3/3+6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
khi đó diện tích hình (H) bằng
S=tpa đến b|f(x)|dx
V=tpa đến b f(x)dx
V=tpa đến b {f(x)}2 dx
S=πtpa đến b |f(x)|dx
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
trong không gian oxyz cho mặt phẳng (p):3x-4y+5z-9=0. khoảng cách từ điểm M(1;2;-3) đến mặt phẳng (P) bằng
9
29√2/10
-29√2/10
18√2/10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
công thức nào sau đây là đúng?
e^x dx=e^x/ln10
e^xdx=exln10+C
e^xdx=e^x+C
e^xdx=e^x/lnx/C
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
họ nguyên hàm của hàm số F(x)=1/(3x+1)2 là
-1/9x+3+C
-1/3x+1+C
1/9x+3+C
-3/1+3x+C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
số phức nào dưới đây là số thuần ảo?
z=-3
z=-3i
z=-√3+i
z=-2+4i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
công thức tính thể tích V của vật thể khi quay hình (H)
V=|f(x)|dx
V=πf^2(x)dx
V=πf(x)dx
V=|f(x)|dx
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