Asked by Cali
What is the numerical coefficient of the term x^3 in (2+x)^5
Answers
Answered by
Steve
x^3 is the 4th term. So
5C4 2^2 x^3 = 10*4*x^3 = 40x^3
5C4 2^2 x^3 = 10*4*x^3 = 40x^3
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