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1. Prove the Strong Principe of Mathematical Induction. Let P(n) be an open statement over the domain 220.. If 1) P(d) is true 2) the
1. Prove the Strong Principe of Mathematical Induction. Let P(n) be an open statement over the domain 220.. If 1) P(d) is true 2) the implication If PU) for every integer i with d 5 1' 5 k, then P(k + l). is true for every integer k E Z20: then P(n) is true for all n 6 22d. 2. Let a E 22 be an odd integer. Prove that a\" is odd for all positive integers n. 1 1 1 3. Provethat++---+= n f H . 1-2 2-3 n(n+1) n+1ra \"EN . 4 4 4 (n + 1X\" + 2) - > ' _ _ _ _ . . n = 4 Prove that for every Integer n _ 3 (l 32) (1 42) (1 n2) 6n(n _ 1) 5. Prove that n! > 2\" for every integer n 2 4. 6. Let X E R and X > 1. Prove that (1 + X)\" Z 1 + nx for every positive integer n. 7. Use induction to prove that 3 | (22\" 1) for all nonnegative integers n
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