How many terms are in the expansion of (x + y)^n ( i think its n + 1 but i'm not sure if its right)

How do the expansion of (x + y)^n differ from (x - y) ^ n ? [can you explain the steps of how you got the answer]

thanks alot

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- Sep 24th 2012, 04:00 PMubhuttoBinomial expansion and pascal's triangle
How many terms are in the expansion of (x + y)^n ( i think its n + 1 but i'm not sure if its right)

How do the expansion of (x + y)^n differ from (x - y) ^ n ? [can you explain the steps of how you got the answer]

thanks alot - Sep 24th 2012, 04:10 PMMarkFLRe: Binomial expansion and pascal's triangle
The binomial theorem says:

Using this, can you explain how to answer the questions with certainty?