Answer
$(x+1)^4=x^4+4x^3+6x^2+4x+1$
Work Step by Step
Fourth row of Pascal's Triangle: $1~~4~~6~~4~~1$
$(x+1)^4=(1)x^4+(4)x^3(1)^1+(6)x^2(1)^2+(4)x^1(1)^3+(1)(1)^4$
$(x+1)^4=x^4+4x^3+6x^2+4x+1$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - 11.5 - The Binomial Theorem - 11.5 Exercises - Page 813: 18
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