Hang on a minute. how can this have a domain and range?
It is not an equation it doesn't even have a y value.
It is just an expression.
Maybe it is me that is wrong. Can other mathematicians arbitrate please?
This question makes no sense to me.
I have run this through a translator but the translation makes no sense.
Check your spelling. I don't even know what language it is in.
Is that what you meant?
Thanks Rosala.
Answer what?
Can you explain a little better what you really want.
Do you want a formula to rotate a point about the origin perhaps? Is that what you mean?
hi, thanks for posting this puzzle NinjaDevo.
I've have given it a green puzzle icon and I have referenced it under "Puzzles" in the Sticky Notes.
Good answer sportslover1
Hi Heureka,
Mine is not wrong.
nCr is always identical to in value to nC(n-r)
10C4=10C6
your answer and my answer are identical.
Excellent as always Kitty.
+118725 
