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

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

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

None

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

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

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

None

$\frac{a^2+b^2+2}{2}$

$\frac{a^2+b^2-2}{2}$

$\frac{a^2-b^2-2}{2}$

$\frac{a^2-b^2+2}{2}$

1

-1

None

-1

1

$\pm 1$

$-\frac{2}{e}+1$

$-\frac{2}{e}$

$-\frac{1}{e}+1$

None

$\frac{1}{2}sq. unit$

$\frac{5}{3}sq. unit$

$\frac{8}{3}sq. unit$

$\frac{7}{3}sq. unit$

-4

-6

None

-1

1

None

144

192

168

None

$\frac{3}{8}$

$\frac{3}{5}$

$\frac{5}{8}$

None

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

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

$\frac{\left(2\pm \sqrt{3}\right)}{2}$

None

12x-5y=0

5x-12y=0

12x+5y=0

None

375 m

380 m

390 m

None

$97.98 ft ps, 45°$

$97.98 ft ps, 30°$

$9.798 ft ps, 45°$

$9.798 ft ps, 60°$

3.54 sec, 295m

3.54 min, 295m

3.54 sec, 2.95 km

None

2979.2 N

2879.2 N

2880.2 N

None

30 units

50 units

40 units

None

4.5 ton-wt; 3.5 ton-wt

5.5 ton-wt; 3.5 ton-wt

4.5 ton-wt; 5.5 ton-wt

None

${\left(101\right)}_2$

${\left(11\right)}_2$

${\left(0011\right)}_2$

Both B & C