a) i. Let M and 4 be any two numbers of the form 42+1 ii. Let Mand N be any off the form 4r +3 Prove that in both coses (i) and (ii) the product M. N is the form 47+1 two numbers 익
a) i. Let M and 4 be any two numbers of the form 42+1 ii. Let Mand N be any off the form 4r +3 Prove that in both coses (i) and (ii) the product M. N is the form 47+1 two numbers 익
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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Transcribed Image Text:a) i. Let M and 4 be any two numbers
N
the form 4r+1
of
ii. Let M7 and N be any two numbers
the form 4r +3
of
Prove that in both cases (i) and (ii) the
7. 시 is
익
the
form 47+1
product
6) Now Suppose that {P₁, P₂, P3, ..., P₁3 is a
finite collection of primes of the form
47 +3 Me introduce the number
-
N = 4( P ₁ • P ₂ ⋅ P3 • ... · Pk) - 1. Mimic the proof
of Guclid's ( for Infinitude of Primes to show
that there are infinitely many primes of
the form 4r +3.
how
Make sure to clearly indicate where and
you are using port (a) in the
proof of part (6) !
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