document.write( "Question 111092: please find : absolute z+4z* \n" ); document.write( "

Algebra.Com's Answer #81075 by Fombitz(32388) $\"\"$ $\"About$

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\n" ); document.write( " $\"abs%28z%2Bz%5E0%29\"$
\n" ); document.write( "where $\"z\"$ is a complex number ( $\"z=x%2Biy\"$ ) and $\"z%5E0\"$ is its complex conjugate ( $\"z%5E0=x-iy\"$ ).
\n" ); document.write( "The real part of $\"z%2Bz%5E0\"$ is : x+4x=5x.
\n" ); document.write( "The imaginary part of $\"z%2Bz%5E0\"$ is: iy-4iy=-3iy
\n" ); document.write( " $\"z%2Bz%5E0=5x-3iy\"$
\n" ); document.write( " $\"abs%28z%2Bz%5E0%29=sqrt%285x%5E2%2B3y%5E2%29\"$ \n" ); document.write( "

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