binomial theorum and pascal's triangle
Đã trả lời
(-p+q)^5
my answer was -p^5 + 5p^4q - 10p^3q^2 + 10p^2q^3 - 5pq^4 -q^5
but the answer for the question was listed with the last term +q^5
My question is why isn't it -q^5 for the last term? Isn't it really -p^0(q^5)?
Isn't -p^0 = -1?
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