mdavis7168

Results 2 issues of mdavis7168

## Description See title ### Steps to Reproduce Reproducible on the [MathLive demo site](https://cortexjs.io/mathlive/demo/): ![Screenshot from 2024-10-18 11-32-52](https://github.com/user-attachments/assets/3d6e506f-4e09-431d-9547-bd49f5cd77f2) ### Actual Result E.g. (-1)^{1/3}, (-32)^{1/5} evaluate to NaN ### Expected Result...

Square roots of negative reals correctly evaluate, e.g. sqrt(-1) = i, sqrt(-4) = 2i, etc. For larger even nth roots, e.g. 4, 6, 8 etc, nth roots of negative numbers...

bug