Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 35SE: The set, S consists of 900,000000 whole numbers, each being the same number of digits long. How many...
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![Ifan is an even number, show that a2 = 0 (mod 4), and if an is an odd number, show that a2 = 1 (mod 4)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F849623dd-d2b4-4ffe-b7f6-e700b192eb67%2F26746a46-936e-42fe-8a0b-e6588dbef969%2F7t7trc9_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Ifan is an even number, show that a2 = 0 (mod 4), and if an is an odd number, show that a2 = 1 (mod 4)?
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