1
MHT CET 2024 16th May Evening Shift
MCQ (Single Correct Answer)
+2
-0

If $z_1=5-2 i$ and $z_2=3+i$, where $i=\sqrt{-1}$, then $\arg \left(\frac{z_1+z_2}{z_1-z_2}\right)$ is

A
$\tan ^{-1}\left(\frac{22}{19}\right)$
B
$\tan ^{-1}\left(\frac{22}{13}\right)$
C
$\tan ^{-1}\left(\frac{21}{19}\right)$
D
$\tan ^{-1}\left(\frac{19}{22}\right)$
2
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

Let $\mathrm{z}=x+\mathrm{i} y$ be a complex number, where $x$ and $y$ are integers and $i=\sqrt{-1}$. Then the area of the rectangle whose vertices are the roots of the equation $\overline{z z}^3+\overline{\mathrm{zz}}^3=350$ is

A
48
B
32
C
40
D
80
3
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+2
-0

If the complex number $z=x+i y$, where $i=\sqrt{-1}$, satisfies the condition $|z+1|=1$, then $z$ lies on

A
X -axis.
B
circle with centre ( 1,0 ) and radius 1 unit.
C
circle with centre $(-1,0)$ and radius 1 unit.
D
Y-axis.
4
MHT CET 2024 15th May Morning Shift
MCQ (Single Correct Answer)
+2
-0

Let $z$ be a complex number such that $|z|+z=2+i$, where $i=\sqrt{-1}$, then $|z|$ is equal to

A
$\frac{4}{5}$
B
$\frac{5}{4}$
C
$\frac{5}{3}$
D
$\frac{\sqrt{41}}{4}$
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