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If z=(-x,0) and z lies on OX' where x>0 then Arg z=
NETNUST Entry TestMathematicsNumber System
If z=(0,-y) and z lies on OY' where y>0, then Arg z=
NETNUST Entry TestMathematicsNumber System
$x,y>0, if z=(x,-y)$ then Arg z =
NETNUST Entry TestMathematicsNumber System
$\forall x,y>0, if z=(x,y)$ then Arg z =
NETNUST Entry TestMathematicsNumber System
$\forall x>0y>0, if z=(-x,y)$ and Arg z is in second quadrant then Arg z=
NETNUST Entry TestMathematicsNumber System
If $z=x-\iota y=(x,-y),\forall x>0y>0$ then Arg z will be
NETNUST Entry TestMathematicsNumber System
If $z=x+\iota y=(x,y),\forall x,y>0$ then Arg z will be
NETNUST Entry TestMathematicsNumber System
If $z_{1}=a_{1}+\iota b_{1}$, and $z_{2}=a_{2}+\iota b_{2}$ then $z_{1}+z_{2}$=
NETNUST Entry TestMathematicsNumber System
The additive inverse of a complex number (a,b) is
NETNUST Entry TestMathematicsNumber System
The multiplicative inverse of a complex number (a,b) is
NETNUST Entry TestMathematicsNumber System
The multiplicative identity for the set of a complex number is
NETNUST Entry TestMathematicsNumber System
(0,0) is the
NETNUST Entry TestMathematicsNumber System
The imaginary part of a complex number $x+\iota y$ is
NETNUST Entry TestMathematicsNumber System
In the algebra of real numbers we can replace -1 with
NETNUST Entry TestMathematicsNumber System
Multiple-choice question
NETNUST Entry TestMathematicsNumber System
Multiple-choice question
NETNUST Entry TestMathematicsNumber System
Multiple-choice question
NETNUST Entry TestMathematicsNumber System
Multiple-choice question
NETNUST Entry TestMathematicsNumber System
Two complex numbers $a+b \iota$ and $c+d \iota$ are equal if
NETNUST Entry TestMathematicsNumber System
Any real number $x$ =
NETNUST Entry TestMathematicsNumber System
The solution of the equation $x^{2}=2$ is a
NETNUST Entry TestMathematicsNumber System
The solution of the equation $x^{2}-10x+40=0$ is a
NETNUST Entry TestMathematicsNumber System
In a complex number $x+\iota y$ x is called
NETNUST Entry TestMathematicsNumber System
Multiple-choice question
NETNUST Entry TestMathematicsNumber System
$\sqrt{-1}$ belongs to set of
NETNUST Entry TestMathematicsNumber System