(b) By applying part (a), solve the congruences 2x = 1 (mod 31), 6x = 5 (mod 11) 3x = 17 (mod 29). 10. Assuming that a and b are integers not divisible by the prime p, establish the follow (a) If a' = bP (mod p), then a = b (mod p). (b) If aP [Hint: By (a), a = b+ pk for some k, so that aP -bP = (b+ pk)P – bP; now s that p2 divides the latter expression.] 11. Employ Fermat's theorem to prove that, if p is an odd prime, then (a) 1P-1+ 2P-l+3P-1+... + (p – 1)P- = -1 (mod p). (b) 1° + 2P + 3P + ..+ (p – 1)' = 0 (mod p). [Hint: Recall the identity 1+ 2 +3++ (p - 1) = p(p – 1)/2.] 12. Prove that if p is an odd prime and k is an integer satisfying 1 < k sp-1, then binomial coefficient = bP (mod p), then aP = bP (mod p2). = (-1) (mod p) d(a, pq) = 13. Assume that show that a9 14. If p and q ar Zoom out rton- Elementary..., McGraw-Hill 5th edition).pdf O 209% O 109 of 425 ET(mod pq) anaar %23
(b) By applying part (a), solve the congruences 2x = 1 (mod 31), 6x = 5 (mod 11) 3x = 17 (mod 29). 10. Assuming that a and b are integers not divisible by the prime p, establish the follow (a) If a' = bP (mod p), then a = b (mod p). (b) If aP [Hint: By (a), a = b+ pk for some k, so that aP -bP = (b+ pk)P – bP; now s that p2 divides the latter expression.] 11. Employ Fermat's theorem to prove that, if p is an odd prime, then (a) 1P-1+ 2P-l+3P-1+... + (p – 1)P- = -1 (mod p). (b) 1° + 2P + 3P + ..+ (p – 1)' = 0 (mod p). [Hint: Recall the identity 1+ 2 +3++ (p - 1) = p(p – 1)/2.] 12. Prove that if p is an odd prime and k is an integer satisfying 1 < k sp-1, then binomial coefficient = bP (mod p), then aP = bP (mod p2). = (-1) (mod p) d(a, pq) = 13. Assume that show that a9 14. If p and q ar Zoom out rton- Elementary..., McGraw-Hill 5th edition).pdf O 209% O 109 of 425 ET(mod pq) anaar %23
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Number 11
![(b) By applying part (a), solve the congruences 2x = 1 (mod 31), 6x = 5 (mod 11)
3x = 17 (mod 29).
10. Assuming that a and b are integers not divisible by the prime p, establish the follov
(a) If aP = bP (mod p), then a = b (mod p).
(b) If aP = bP (mod p), then aP = bP (mod p²).
[Hint: By (a), a = b+ pk for some k, so that aP -b = (b+ pk)P - b; now s
that p2 divides the latter expression.]
11. Employ Fermat's theorem to prove that, if p is an odd prime, then
(a) 1P-1+ 2P-l+3P-1+... + (p – 1)P- = -1 (mod p).
(b) 1P +2P +3P + ..+ (p - 1)' = 0 (mod p).
[Hint: Recall the identity 1+2 + 3+ .+ (p – 1) = p(p – 1)/2.1
12. Prove that if p is an odd prime and k is an integer satisfying 1 <ksp-1, ther
binomial coefficient
(-1) (mod p)
da, pq) =
13. Assume that
show that af
14. If p and q an
Zoom out
rton-Elementary..., McGraw-Hill 5th edition).pdf
109 of 425
O 209% C
P
へ
+4
Emod pq)
%23](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F048faa6b-a100-4249-8bc6-0274c2c51311%2F71409c85-e705-4cf0-976b-26e464572e5c%2F82unxcc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(b) By applying part (a), solve the congruences 2x = 1 (mod 31), 6x = 5 (mod 11)
3x = 17 (mod 29).
10. Assuming that a and b are integers not divisible by the prime p, establish the follov
(a) If aP = bP (mod p), then a = b (mod p).
(b) If aP = bP (mod p), then aP = bP (mod p²).
[Hint: By (a), a = b+ pk for some k, so that aP -b = (b+ pk)P - b; now s
that p2 divides the latter expression.]
11. Employ Fermat's theorem to prove that, if p is an odd prime, then
(a) 1P-1+ 2P-l+3P-1+... + (p – 1)P- = -1 (mod p).
(b) 1P +2P +3P + ..+ (p - 1)' = 0 (mod p).
[Hint: Recall the identity 1+2 + 3+ .+ (p – 1) = p(p – 1)/2.1
12. Prove that if p is an odd prime and k is an integer satisfying 1 <ksp-1, ther
binomial coefficient
(-1) (mod p)
da, pq) =
13. Assume that
show that af
14. If p and q an
Zoom out
rton-Elementary..., McGraw-Hill 5th edition).pdf
109 of 425
O 209% C
P
へ
+4
Emod pq)
%23
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