What do you think that can make an expression like this undefined?

Hi Lovelies 🥰
Hope you are good!
For an expression of this type to be undefined, what does it mean? Do you really want to know? If yes, watch to the end and tell me your mind pls
#logarithms #educational #education #WAEC #tiktok #maths #indices #mathematics #howtosolve

[@MathematicsTechnologySki-vf6ct]

Awesome

[@Ugoo-Tv]

😁😁

[@alozieifeanyi5404]

Nice one

[@Stead-ylight23]

🎉nice content

[@EbyBoy-bx6jm]

Dope I love it educating indeed

[@MATECS12]

Wow! I am most grateful

[@NancyBaby-k6p]

Keep pushing mathematician ❤

[@MATECS12]

Thank you so much, I will by God's sufficient grace

[@SteasyChidera]

Cool 😎

[@MATECS12]

Thank you so much

[@OnyinyechiLove-y8s]

Cool bro 😅