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A.F.Beardon Complex Analysis page 13: | |
```maxima | |
(%i1) z: sqrt( 1/2*( sqrt(u^2+v^2) + u) ) + %i*(v/sqrt( 2*( sqrt(u^2+v^2) + u) ) ); | |
2 2 | |
sqrt(sqrt(v + u ) + u) %i v | |
(%o1) ----------------------- + ------------------------------- | |
sqrt(2) 2 2 | |
sqrt(2) sqrt(sqrt(v + u ) + u) | |
(%i2) z^2; | |
2 2 | |
sqrt(sqrt(v + u ) + u) %i v 2 | |
(%o2) (----------------------- + -------------------------------) | |
sqrt(2) 2 2 | |
sqrt(2) sqrt(sqrt(v + u ) + u) | |
(%i3) expand(%); | |
2 2 2 | |
v sqrt(v + u ) u | |
(%o3) (- ---------------------) + ------------- + %i v + - | |
2 2 2 2 | |
2 sqrt(v + u ) + 2 u | |
(%i4) radcan(%); | |
(%o4) %i v + u | |
``` |
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