Asked by sally

Can you give an example as to how The expansion of (x + y)n and (x - y)n are different?
Answered by bobpursley
on x-y expanded, the odd powers of y have negative coefficents.
Answered by Joe
For n odd, the sign of the y-ters differ: (+) for the first expansion, (-) for the second. (For n even, the signs are the same.)
There are no AI answers yet. The ability to request AI answers is coming soon!