Geometric-Algebra Practice: Rotate a Vector to a Specified Distance from a Given Point

Train your "GA eyes" by deriving a simple, readily interpretable formula for rotating a vector so that its endpoint is at a specified distance "d" from a given point "P".

Link to the document that presents three solutions:
https://vixra.org/abs/2207.0169
https://drive.google.com/file/d/1QPR-917yr20ZkSn-TVDvibwVNdbTADcK/view?usp=sharing .

LinkedIn group "Pre-University Geometric Algebra": https://www.linkedin.com/groups/8278281/ .

Playlist "Geometric Algebra for High Schoolers": https://www.youtube.com/playlist?list=PL4P20REbUHvzPW8rkHVyu9l20fJ5Iih2M .