On 23/10/2011 12:48 AM, -Henry Hom wrote: > How do I simplify: > > Square root in square root sqrt(4-2*sqrt(3)) --> sqrt(3)-1 Use the sqrtdenest function. (%i1) sqrt(4-2*sqrt(3)); (%o1) sqrt(4-2*sqrt(3)) (%i2) load(sqdnst)$ (%i3) sqrtdenest(%o1); (%o3) sqrt(3)-1