(1) show that 21 divides 4+1 +52n-1 for n ≥ 1

Database System Concepts
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Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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University of Bahrain
Department of Computer Science
ITCS254 Discrete Structure I
First Semester 2022/2023
Homework 4
(1) show that 21 divides 4+1 +52n-1 for n ≥ 1
(2) Prove by Induction n ≥ 3 that :
n
Σ(r− 1)² =
=
r=1
(3) Let T₁ = 1, Tn = 3Tn-1 + 4 for n ≥ 2.
Show that Tn = 3" - 2 for n ≥ 1
3
+
Transcribed Image Text:University of Bahrain Department of Computer Science ITCS254 Discrete Structure I First Semester 2022/2023 Homework 4 (1) show that 21 divides 4+1 +52n-1 for n ≥ 1 (2) Prove by Induction n ≥ 3 that : n Σ(r− 1)² = = r=1 (3) Let T₁ = 1, Tn = 3Tn-1 + 4 for n ≥ 2. Show that Tn = 3" - 2 for n ≥ 1 3 +
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