Yes, I did accept your website proof but it is good that you explained it in your own words :)
You 'assumed' all people interested in mathematics knew.
As someone interested in mathematics you should know that assumptions usually lead to errors.
That is why in mathematics all things must be proven. :)
And proofs must be demonstrated :)
Why don't you demonstrate :)
2nd question:
If you plug the equations into this calculator:
https://www.desmos.com/calculator
then you can get the answers for yourself. :)
then you can get th answers for yourself. :)
oh, ok :)
I assume you mean this question:
https://web2.0calc.com/questions/power-functions_1
I have not read it properly but there only appears to be one question. ://
When I thought a and b were ordinary pronumerals I believed this question to be nonsense.
If a and b were pronumerals then I would have been correct BUT a and b are directional vectors so it is my answer that is nonsense. So at this point in time I will delete it.
Thanks Tiggsy and Heureka and CPhill for the correction.
That is a good answer mathhemathh
but QED means 'it is proven' so it is only appropriate to use it at the end of proofs
+118742 
