How do you find the coefficient of #x^2# in the expansion of #(2+x)^5#?
1 Answer
Oct 30, 2016
80
Explanation:
Binomial coefficient are may be found by applyıng the Pascal's rule . Pascal's rule or the Pascal's triangle can easiliy be found in the internet.
the x in the question correspond to y in the formulation. Acoording to this
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