Question 1135365
{{{z = 7 + 4i}}} 
{{{w = 3 + i}}}  

determine {{{z/w}}}

{{{z/w=(7 + 4i)/(3 + i)}}}

{{{z/w=((7 + 4i)(3 - i))/((3 + i)(3 -i))}}}

{{{z/w=(21 - 7i+12i-4i^2)/(3^2 -i^2)}}}

{{{z/w=(21+5i-4(-1))/(9 -(-1))}}}

{{{z/w=(21+5i+4)/(9 +1)}}}

{{{z/w=(25+5i)/10}}}.......simplify

{{{z/w=(cross(25)5+cross(5)i)/cross(10)2}}}

{{{z/w=(5+i)/2}}}

{{{z/w=5/2+(1/2)i}}}