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- Help me understand! A complex number z lies above real axis at a distance 3 units from it and also on left of imaginary axis at a distance of 2units from it then the complex number
A complex number z lies above real axis at a distance 3 units from it and also on left of imaginary axis at a distance of 2units from it then the complex number
- Option 1)
lies in 1st quadrant with
- Option 2)
lies in 2nd quadrant with
- Option 3)
lies in 3rd quadrant with
- Option 4)
lies in 4th quadrant with
Answers (1)
Point will have co-ordinate (-2,3) so in 2nd quadrant and corresponding complex number is
Representation of complex number in Argand plane (Similar to Cartesian plane) -
is represented on a plane similar to cartesian plane with horizontal line as real axis and vertical as imaginary axis.
on plane will be a point with co-ordinate (x,y).
- wherein
x will be taken along real axis and y will be taken along imaginary axis. x will increase from left to right & y will increase from bottom to top. Point of intersection of both axis will have co-ordinate (0,0) for complex number z=0
Option 1)
lies in 1st quadrant with
This is incorrect
Option 2)
lies in 2nd quadrant with
This is correct
Option 3)
lies in 3rd quadrant with
This is incorrect
Option 4)
lies in 4th quadrant with
This is incorrect
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