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If $z_{1}=a_{1}+\iota b_{1}$, and $z_{2}=a_{2}+\iota b_{2}$ then $z_{1}+z_{2}$=
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The additive inverse of a complex number (a,b) is
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The multiplicative inverse of a complex number (a,b) is
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The multiplicative identity for the set of a complex number is
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(0,0) is the
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The imaginary part of a complex number $x+\iota y$ is
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In the algebra of real numbers we can replace -1 with
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-1=
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$ \iota ^{2}$=
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$\iota$ =
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$x+ \iota y$=
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Two complex numbers $a+b \iota$ and $c+d \iota$ are equal if
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Any real number $x$ =
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The solution of the equation $x^{2}=2$ is a
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The solution of the equation $x^{2}-10x+40=0$ is a
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In a complex number $x+\iota y$ x is called
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$a+\iota b$ a is
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$\sqrt{-1}$ belongs to set of
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The solution of the equation $x^{2}=3$ is possible in the set of
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Any real number can be written in the form of a
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For all $a, b, c \: \epsilon \: R \: a+c=b+c\Rightarrow a=b$ The name of this property is
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For all $a, b, c\: \epsilon \:R$ and $a=b\Rightarrow a+b=b+c$ The name of this property is
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For all $a,b\: \epsilon \: R$ and $a=b\Rightarrow b=a$ this property is called
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For all $b,c\: \epsilon\: R$ and $a=b\Rightarrow ac=bc\:\wedge \:ca=c(b)$ this property is called
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If $a, b, b \:\epsilon \: R$ and $a=b\:\wedge b=c \Rightarrow a=c$ this property is called
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