4) Define f: N→R as follows: f(1) = 3, f(2) = 3 and for n > 3 f(n) = f(n- 1) + f(n- 2) %3D %3D 2' Prove that f(n) = 2+(-)"-1 for all n EN 1 1 5) Prove that 1+- 2 +...+ 2n-1 <2 Vn EN x+ y 6) Let x > 0 and y > 0, prove that Vry < 2
4) Define f: N→R as follows: f(1) = 3, f(2) = 3 and for n > 3 f(n) = f(n- 1) + f(n- 2) %3D %3D 2' Prove that f(n) = 2+(-)"-1 for all n EN 1 1 5) Prove that 1+- 2 +...+ 2n-1 <2 Vn EN x+ y 6) Let x > 0 and y > 0, prove that Vry < 2
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Good morning,
I was hoping to get some assistance on question number 4. With the function defined I need to prove f(n).
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Step 1
(4) Given data are
Hence proved.
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