(2x + y) to the 5th power© BrainMass Inc. brainmass.com March 4, 2021, 6:06 pm ad1c9bdddf
In general the formula is as follow:
(a+ b)^n= sum(k(up)=n, k(low)=0)[C(n, n-k) a^(n-k) b^(k)]
where C(n, n-k) means n choose ...
This uses binomial expansion to write a polynomial.