Let P(n) be the statement: "a" – b"
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.2: Mathematical Induction
Problem 50E: Show that if the statement 1+2+3+...+n=n(n+1)2+2 is assumed to be true for n=k, the same equation...
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Question
Suppose that a and b are real numbers, which
satisfy the following inequality:
0 < b < a
Let P(n) be the statement:
“a
n
– b
n
≤ n a
n – 1 (a – b), where n is a positive integer”
1. What is the statement P(1)?
2. Show that P(1) is true, completing the basis step of the proof.
3. What is the inductive hypothesis?
4. What do you need to prove in the inductive step?
5. Complete the inductive step. You must justify every single step in your proof.
Otherwise, your answer is wrong. Show your work step by step.
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