- #1
phymatter
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What is the expansion of xn +yn , when is even ??/
I don't see anything that can be expanded.
What is the expansion of xn +yn , when is even ??/
i mean that xn - yn can be written as (x-y)(xn-1 +xn-2y ....+yn-1 )
similarly what can xn +yn be written as ????????