MCQ
The argument of $\frac{(1-\text{i}\sqrt{3})}{(1+\text{i}\sqrt{3})}$ is:
- A60°
- B120°
- C210°
- D240°
✓
Answer
- 60°
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The combined mean of three groups is 12 and the combined mean of first two groups is 3. If the first, second and third group have their mean as 2, 3 and 5 times respectively, then the mean of third group is:
Choose the correct answer. Solution of a linear inequality in variable x is represented on number line.
Mark the correct answer for $(2-3 i)(-3+4 i)=$ ?
→If $\text{f}(\text{x})=\sqrt{\text{x}}+\frac{1}{\sqrt{\text{x}}}$ then $\frac{\text{dy}}{\text{dx}}$ at x = 1 is equal to:
-
$1$
-
$\frac{1}{2}$
-
$\frac{1}{\sqrt{2}}$
-
$0$
If $\text{f(x)}=\cos(\log\text{x}),$ then the value of $\text{f(x}^2)\text{f}(\text{y}^2)-\frac{1}{2}\Big\{\text{f}\Big(\frac{\text{x}^2}{\text{y}^2}\Big)+\text{f}\big(\text{x}^2\text{y}^2\big)\Big\}$ is:
→If $\alpha\beta$ are the roots of the equation x2 + px + q = 0 then $-\frac{1}{\alpha}+\frac{1}{\beta}$ are the roots of the equation:
→- x2 − px + q = 0
- x2 + px + q = 0
- qx2 + px + 1 = 0
- qx2 − px + 1 = 0
In a simultaneous throw of two dice what is the probability of getting a doublet ?
The total number of terms in the expansion of (x + a)100 + (x - a)100 after simplification is:
In the parabola y2 = 4ax, the length of the chord passing through the vertex and inclined to the axis at $\frac{\pi}{4}$ is
→- $4\sqrt2\text{a}$
- $2\sqrt2\text{a}$
- $\sqrt2\text{a}$
- None of these
The distance between M (-1, 5) and N (x, 5) is 8 units. The value of x is: