Find the following cardinalities: a. A = {5, 10, 15, ..., 75} |A| = b. A = {x € Z: - 100 ≤ x ≤ - 17} |A| = c. A = {x € N: x ≤ 10}, B = {x € N: x ≤ 12} |An B| =
Find the following cardinalities: a. A = {5, 10, 15, ..., 75} |A| = b. A = {x € Z: - 100 ≤ x ≤ - 17} |A| = c. A = {x € N: x ≤ 10}, B = {x € N: x ≤ 12} |An B| =
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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![Find the following cardinalities:
a. A = {5, 10, 15, ..., 75}
|A| =
b. A = {x € Z: - 100 ≤ x ≤ - 17}
|A| =
c. A = {x € N: x ≤ 10}, B = {x € N: x ≤ 12}
|An B| =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1bfda259-7429-4717-b69c-7067c249bba0%2F86cedf79-9eb7-4413-8bea-b4ed8b3079ad%2F60i4m9d_processed.png&w=3840&q=75)
Transcribed Image Text:Find the following cardinalities:
a. A = {5, 10, 15, ..., 75}
|A| =
b. A = {x € Z: - 100 ≤ x ≤ - 17}
|A| =
c. A = {x € N: x ≤ 10}, B = {x € N: x ≤ 12}
|An B| =
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