Đề kiểm tra Giữa kì 2 Toán 12 có đáp án (Mới nhất) (Đề 11)

A' (−3; −5; −7).

A' (3; 5; 7).

A' (0; 0; −7).V

A' (3; 5; 0).

2y + 3z + 1 = 0.

2x + 3z = 0.

2x + 3 = 0.

−2x + y + 1 = 0.

$\int 3x^2\mathrm{dx}$ = 9x³ + C.

$\int 3x^2\mathrm{dx}$ = x³ + C.

$\int 3x^2\mathrm{dx}$ = $\frac{3}{2}$x + C.

$\int 3x^2\mathrm{dx}$ = 6x + C.

I (2; −1; 0), R = 4.

I (−2; 1; 0), R = 4.

I (2; −1; 0), R = 2

I (−2; 1; 0), R = 2.

$\overrightarrow{n}$ = (1; 0; –3).

$\overrightarrow{n}$ = (1; –3; 5).

$\overrightarrow{n}$ = (1; –3; 0).

$\overrightarrow{n}$ = (0; –3; 5).

16

4

8

2

(P) // (Q).

(P) ⋂ (Q) = d.

(P) ≡ (Q).

(P) ⊥ (Q).

I (0; 3; 2).

I (–2; 0; –1).

I (2; 0; 1).

I (0; –3; –2).

H (0; 0; –7).

H (3; 5; 0).

H (0; 0; 7).

H (–3; –5; 0).

F(x) = $\frac{3^x}{\ln 3}$ + cotx + C.

F(x) = 3^x.ln3 + cotx + C.

F(x) = $\frac{3^x}{\ln 3}$– cotx + C.

F(x) = 3^x.ln3 – cotx + C.

F(x) = 5^x.ln2 – $\frac{x^2}{2}$+ C.

F(x) = 5^x – x² + C.

F(x) = $\frac{5^x}{\ln 5}$ – 1+ C.

F(x) = $\frac{5^x}{\ln 5}-\frac{x^2}{2}$+ C.

$\underset{a}{\overset{b}{\int }}k.f\left(x\right)d\text{x = k}\underset{a}{\overset{b}{\int }}f\left(x\right)d\text{x}$ (k là hằng số khác 0).

$\underset{a}{\overset{b}{\int }}f\left(x\right)g\left(x\right)d\text{x =}\underset{a}{\overset{b}{\int }}f\left(x\right)d\text{x .}\underset{a}{\overset{b}{\int }}g\left(x\right)d\text{x}$

$\underset{a}{\overset{b}{\int }}\left[f\left(x\right)+g\left(x\right)\right]d\text{x =}\underset{a}{\overset{b}{\int }}f\left(x\right)d\text{x}+\underset{a}{\overset{b}{\int }}g\left(x\right)d\text{x}$

$\underset{a}{\overset{b}{\int }}f\left(x\right)d\text{x =}\underset{a}{\overset{c}{\int }}f\left(x\right)d\text{x}+\underset{c}{\overset{b}{\int }}f\left(x\right)d\text{x}$

Q (0; –3; 5).

N (1; –3; 5).

P (1; –3; 0).

M (0; –4; 0).

(–2; 3; 0).

(0; –2; 3).

(–2; 0; 3).

(0; 3; –2).

G (x) = g (x), ∀ x Î K.

g'(x) = G (x), ∀ x Î K.

G'(x) = g (x), ∀ x Î K.

G'(x) = g'(x), ∀ x Î K.

$\left|\overrightarrow{a}\right|=2$

$\left|\overrightarrow{a}\right|=\sqrt{2}$

$\left|\overrightarrow{a}\right|=\sqrt{6}$

$\left|\overrightarrow{a}\right|=\sqrt{14}$

3x – y – z – 6 = 0.

x + 3y + z – 5 = 0.

3x – y – z + 6 = 0.

x + 3y + z – 6 = 0.

-33

33

6

-10

6

3

5

4

F (x) = $\frac{1}{5}$e^{5x + 3} + $\frac{{\left(2x+1\right)}^{2023}}{2023}$ + C.

F (x) = e^{5x + 3} +$\frac{1}{2}$.$\frac{{\left(2x+1\right)}^{2023}}{2023}$ + C.

F (x) = e^{5x + 3} +$\frac{{\left(2x+1\right)}^{2023}}{2023}$ + C.

F (x) = $\frac{1}{5}$e^{5x + 3} + $\frac{1}{2}$.$\frac{{\left(2x+1\right)}^{2023}}{2023}$ + C.

D (1; 1; 4).

D (1; 3; 4).

D$\left(-1;1;\frac{2}{3}\right)$.

D (–1; –3; –2).

1

-1

-2

2

m = 2.

m = 1.

m = ±1.

m = ±2.

(x + 1)² + (y – 2)² + (z + 3)² = 11.

(x + 1)² + (y – 2)² + (z + 3)² = 22.

(x – 1)² + (y + 2)² + (z – 3)² = 22.

(x – 1)² + (y – 2)² + (z – 3)² = 2.

2x – y + 3z – 9 = 0.

2x – y + 3z + 11 = 0.

2x – y + 3z – 11 = 0.

2x – y – 3z + 11 = 0.

F (x) = tanx + C.

F (x) = tanx + 2.

F (x) = tanx + 4.

F (x) = tanx + 3.

$\frac{8}{3}$

$\frac{2}{3}$

$\frac{8}{9}$

$\frac{2}{9}$

m = 4.

m = –1.

m = 25.

m = –10.