Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 3 - Section 3.3 - Dividng Polynomials - 3.3 Exercises - Page 274: 52

Answer

a. P(7) = 1 b. P(7) = 1

Work Step by Step

a. See attached picture below The remainder is 1, so P(7) = 1 b. $P(x) = 6(7)^7 - 40(7)^6 + 16 (7)^5 - 200 (7)^4 - 60 (7)^3 - 69 (7)^2 + 13 (7) -139$ $P(x) = 4941258 - 4705960 + 268912 - 480200 - 20580 - 3381 + 91 - 139 = 1$
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