Unable to display LaTeX

[Brian_D]

Homework Statement: Not applicable. I'm asking about a technical problem with the PhysicsForums software
Relevant Equations: \left(-2+2 \,\mathrm{I}\right)^{\frac{1}{3}}

\left(-2+2 \,\mathrm{I}\right)^{\frac{1}{3}}

I posted the LaTeX code for an expression in the "relevant equations" and "attempt at a solution" boxes. When I'm in the "attempt at a solution" box and I click "Preview," I do not see a preview of the expression properly displayed, only the code. After I post this message, the expression may be properly displayed, but I need to use the preview feature to clean up my code if necessary before posting. I am using an HP Envy x360 Laptop and Windows 11 Home version 24H2. Any thoughts how to fix this problem?

P.S. I mentioned this problem previously and someone said I need to refresh the page. But when I hit "refresh," it erases everything.

 

[berkeman]

Testing:
$$\left(-2+2 \,\mathrm{I}\right)^{\frac{1}{3}}$$

 

[berkeman]

Works for me as long as I enclose the LaTeX in double-$ delimiters front and back.

 

[Brian_D]

Works for me as long as I enclose the LaTeX in double-$ delimiters front and back.

Yes! I was missing the double $ delimiters. Thank you, berkeman. :-)

 

[berkeman]

Glad to help. Remember that double-$ delimiters are for stand-alone lines of LaTeX, and double-# delimiters are used with in-line LaTeX.

 

[Brian_D]

Thank you.

 

[Mark44]

\left(-2+2 \,\mathrm{I}\right)^{\frac{1}{3}}

Minor nit -- the character that represents the imaginary unit is always written as i (lower case), not I (upper case).

 

[Brian_D]

Thank you.