a) For a and n positive integers, a is a divisor of n if for some integer b. b) The largest digit d, with 0 < d < 9, such that the following number is divisible by 9: 323, 195, За3, 621,396, 720 is c) The number of distinct congruence classes modulo 7 among [12], [33], [11], [78], [–12], [18], [–28] is d) If 72 = x (mod 5), with 0 < x < 4, then x = e) The number of (positive) divisors of 23345 is
a) For a and n positive integers, a is a divisor of n if for some integer b. b) The largest digit d, with 0 < d < 9, such that the following number is divisible by 9: 323, 195, За3, 621,396, 720 is c) The number of distinct congruence classes modulo 7 among [12], [33], [11], [78], [–12], [18], [–28] is d) If 72 = x (mod 5), with 0 < x < 4, then x = e) The number of (positive) divisors of 23345 is
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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![a) For a and n positive integers, a is a divisor of n if.
for some integer b.
b) The largest digit d, with 0 < d <9, such that the following number is divisible by 9:
323, 195, 3d3, 621, 396, 720
is
c) The number of distinct congruence classes modulo 7 among
[12], [33], [11], [78], [–12], [18], [-28]
is
d) If 72 = x (mod 5), with 0 < x < 4, then x =
e) The number of (positive) divisors of 2 345 is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F70562eea-c2fb-4751-9e42-c7c37c89fd29%2Ff593077e-5297-4505-ba21-8704939843ae%2Fybqmjap_processed.png&w=3840&q=75)
Transcribed Image Text:a) For a and n positive integers, a is a divisor of n if.
for some integer b.
b) The largest digit d, with 0 < d <9, such that the following number is divisible by 9:
323, 195, 3d3, 621, 396, 720
is
c) The number of distinct congruence classes modulo 7 among
[12], [33], [11], [78], [–12], [18], [-28]
is
d) If 72 = x (mod 5), with 0 < x < 4, then x =
e) The number of (positive) divisors of 2 345 is
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