4x+3y-30=0

4x-3y-30=0

3x+4y-30=0

None

$\frac{1}{2}$

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

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

None

$2m\pi +\frac{\mathrm{\pi }}{6}$

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

$\frac{n\pi }{2}+\frac{\mathrm{\pi }}{6}$

None

$\frac{x^2}{2}In\left(x\right)-\frac{x^2}{4}+c$

$x^{2 } In\left(x\right)-\frac{x^2}{4}+c$

$\frac{{\displaystyle x^{2 }}}{2} In\left(x\right)+\frac{x^2}{4}+c$

None

$\mathrm{\pi }$

$\mathrm{\pi }/2$

$2\mathrm{\pi }$

None

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

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

1

None

$\frac{1}{1+x^2}$

$-\frac{1}{1+x^2}$

$-\frac{5}{{\displaystyle 6}\left(1+x^2\right)}$

None

$10\sqrt{3}kg-wt$

$10/\sqrt{3}kg-wt$

$10/3kg-wt$

None

2m

1m

1.5m

None

80 units

40 units

50 units

None

45.5 m

54.5 m

50.0 m

None

2560 N

25600 N

256 N

None

50

40

70

None

Complex & Unequal

Complex & equal

Real & unequal

None

$-9, \pm \sqrt{3}$

$-9, \sqrt{3}$

$9, \sqrt{3}$

None

45360

630

1260

None

$e^2$

2 In2

In2

None

4

2

3

None

$\sqrt{3}$

$\frac{1}{\sqrt{3}}$

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

None

$y=\pm \frac{\sqrt{5}}{2}$

$y=\pm \frac{\sqrt{5}}{4}$

$x=\pm \frac{\sqrt{5}}{4}$

None