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Byju's Answer
Standard IX
Mathematics
Plotting a Point
If point P co...
Question
If point P corresponding to complex number (6 + 4 i ) is rotated about origin with an angle 120° in anticlockwise direction to obtain point Q. Then the complex number corresponding to point Q is
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Q.
The complex number
3
+
4
i
is rotated about origin by an angle of
π
4
and then stretched 2 times. The complex number corresponding to new position is
Q.
If a point
P
(
4
,
3
)
is rotated through an angle
45
o
in anticlockwise direction about origin, then co-ordinates of
P
in new position are :
Q.
The vector
z
=
3
−
4
i
is turned anticlockwise through an angle of
180
∘
and stretched
2.5
times. The complex number corresponding to the newly obtained vector is ....
Q.
If the point represented by the complex number
i
z
is rotated about the origin through the angle
π
2
in the counter clockwise direction then the complex number representing the new position is
Q.
The vector
z
=
3
−
4
i
is turned anticlockwise through an angle of 180
o
and stretched
2.5
times. The complex number corresponding to the newly obtained vector is
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