(3, 1, 1)

(3, -1, -1)

(-3, 1, -1)

(3, 1, -1)

none of them

$\pm$ 2i, $\pm$ $\sqrt{3 \pm i}$

$\pm 2i, \pm \sqrt{3}$ + i

$\pm 2i, \pm \sqrt{3}$ $\pm$ i

none of them

-10 or $\frac{4}{3}$

10

10 or $-\frac{4}{3}$

None of them

3 + e

3 - e

e - 3

None of them

$\frac{4}{27}$

$\frac{10}{31}$

$\frac{62}{135}$

None of them

$\sqrt{5}$ sec

$\left(\sqrt{5} - 1\right)$ sec

$\left(\sqrt{5} + 1\right)$ sec

none of them

$35\frac{1}{3}$ unit

53 unit

106 unit

none of them

$\sqrt{3}y = x-8$

$y = \sqrt{3}x\pm 8$

$\sqrt{3}y = x\pm 8$

none of them

$\frac{x}{y}$

$\frac{y}{x}$

$-\frac{x}{y}$

none of them

300

200

150

none of them

3

2

-2

$\frac{2}{3}$

$\frac{7}{3}$

$\frac{49}{6}$

$\frac{6}{49}$

$3\sqrt{3}$

$5\sqrt{3}$

$5\sqrt{5}$

$3\sqrt{5}$

11277 lb

10000 lb

10277 lb

9731 lb

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

$\frac{1}{\sqrt{2}}$

1

$\frac{1}{2}$

$\frac{\mathrm{\pi }}{3}$

$\frac{\mathrm{\pi }}{6}$

$\frac{\mathrm{\pi }}{2}$

$\frac{\mathrm{\pi }}{4}$

$2r\left(r+1\right)$

$\left(2r-1\right)\left(r-1\right)$

$\left(r+1\right)\left(2r-1\right)$

$\left(2r+1\right)\left(r+1\right)$

9 sec

6 sec

7 sec

8 sec

none of them

$x+\frac{2}{3}\left(1+e^{-3x}\right)$

$x+2\log \left(1+e^{-3x}\right)+c$

$x-\frac{2}{3}\left(1+e^{-3x}\right)+c$

256/ 3 unit

6 unit

28/3 unit

64/3 unit