Algebra and Trigonometry 10th Edition

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: 53



Work Step by Step

According to the Binomial Theorem, the 7th, that is, the ($6+1$)th term of $(x^2+y)^{10}$ is: $_{10}C_6(x^2)^{10-6}(y)^6=\frac{10!}{(10-6)!\times6!}x^8y^6=210x^8y^6$ $ax^8y^6=210x^8y^6$ $a=210$
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