Practice problem
Make the denominator real for a complex number z=a+bi,b≠0z=a+bi, b\neq 0z=a+bi,b=0: zz‾\frac{z}{\overline{z}}zz
a+bia2+b2\frac{a+bi}{a^2+b^2}a2+b2a+bi
(a+bi)2a2+b2\frac{(a+bi)^2}{a^2+b^2}a2+b2(a+bi)2
a+bi(a−bi)2\frac{a+bi}{(a-bi)^2}(a−bi)2a+bi
(a+bi)2(a−bi)2\frac{(a+bi)^2}{(a-bi)^2}(a−bi)2(a+bi)2
Type a concept, like “slope” or “photosynthesis”.
