Find a tight bound solution for the following recurrence: T(n) = 4 T(n/2) + c n      (c is a positive constan

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Find a tight bound solution for the following recurrence:

T(n) = 4 T(n/2) + c n      (c is a positive constant)

That is, find a function g(n) such that T(n) ∊ Θ(g(n)). For convenience, you may assume that n is a power of 2, i.e., n=2k for some positive integer k. Justify your answer. [Note: Read question 1-(2) first before writing your answer]

 

Prove your answer in 1-(1) either using the iteration method or using the substitution method.

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