Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Solve 5 

1.3. NINETEEN CENTURY
Problems
1. "The sum of two consecutive triangular number is a square number".
Find a pictorial justification of this statement, and an algebraic proof.
13
2. Represent the reciprocal of a triangular number as the difference of reciprocals of integers.
Then use this to find
11/tn.
3. A sequence {n} of real numbers that converges to a number L is said to converge with
linear rate of convergence r if 0 < r < 1 and limn→∞
= r. Prove that sequences
√a-1
produced with Theon's algorithm converge with linear rate of convergence r =
√a+1
Xn+1-L
xn-L
4. Modify Theon of Smyrna's system of difference equations to obtain an algorithm for
approximating √a for a > 0, and prove that it works.
5. Guess a closed formula for Tn, and prove it.
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Transcribed Image Text:1.3. NINETEEN CENTURY Problems 1. "The sum of two consecutive triangular number is a square number". Find a pictorial justification of this statement, and an algebraic proof. 13 2. Represent the reciprocal of a triangular number as the difference of reciprocals of integers. Then use this to find 11/tn. 3. A sequence {n} of real numbers that converges to a number L is said to converge with linear rate of convergence r if 0 < r < 1 and limn→∞ = r. Prove that sequences √a-1 produced with Theon's algorithm converge with linear rate of convergence r = √a+1 Xn+1-L xn-L 4. Modify Theon of Smyrna's system of difference equations to obtain an algorithm for approximating √a for a > 0, and prove that it works. 5. Guess a closed formula for Tn, and prove it.
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