I’m really confused on this one and want to make sure. I’ll make you brainlest if you add explanation. Pls and thank you :))

√3

Step-by-step explanation:

To find the Geometric mean, multiply the values given, then take the square root.

x² = ab

x= √ab

It's a "central tendency" we are calculating.

This is different from the arithmetical mean which uses addition and division to find that average.

-2 is the right