Question 5 > (i) How many bit strings of length 8 start with 0 and end with 0? (ii) How many bit strings of length 8 start with 0 or end with 0? (iii) How many bit strings of length 8 start with 11 and end with 0? (iv) How many bit strings of length 8 start with 11 or end with 0? (v) How many bit strings of length 8 start with 0 and end with 0 or 1? (vi) How many bit strings of length 8 start with 0 or 1 and end with 0 or 1? (vii) How many bit strings of length 8 start with 0 or 1 or end with 0 or 1?
Question 5 > (i) How many bit strings of length 8 start with 0 and end with 0? (ii) How many bit strings of length 8 start with 0 or end with 0? (iii) How many bit strings of length 8 start with 11 and end with 0? (iv) How many bit strings of length 8 start with 11 or end with 0? (v) How many bit strings of length 8 start with 0 and end with 0 or 1? (vi) How many bit strings of length 8 start with 0 or 1 and end with 0 or 1? (vii) How many bit strings of length 8 start with 0 or 1 or end with 0 or 1?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Help me with this. Thank you
![Question 5
く
>
(i) How many bit strings of length 8 start with 0 and end with 0?
(ii) How many bit strings of length 8 start with 0 or end with 0?
(iii) How many bit strings of length 8 start with 11 and end with 0?
(iv) How many bit strings of length 8 start with 11 or end with 0?
(v) How many bit strings of length 8 start with 0 and end with 0 or 1?
(vi) How many bit strings of length 8 start with 0 or 1 and end with 0 or 1?
(vii) How many bit strings of length 8 start with 0 or 1 or end with 0 or 1?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F89e535e1-d06a-4c0b-b13b-278c9f376c35%2F06e1326d-782b-4236-b17a-081932c852de%2Fac1mo0d_processed.png&w=3840&q=75)
Transcribed Image Text:Question 5
く
>
(i) How many bit strings of length 8 start with 0 and end with 0?
(ii) How many bit strings of length 8 start with 0 or end with 0?
(iii) How many bit strings of length 8 start with 11 and end with 0?
(iv) How many bit strings of length 8 start with 11 or end with 0?
(v) How many bit strings of length 8 start with 0 and end with 0 or 1?
(vi) How many bit strings of length 8 start with 0 or 1 and end with 0 or 1?
(vii) How many bit strings of length 8 start with 0 or 1 or end with 0 or 1?
![Question 6
>
Proposition. If x E R, then x² > x.
Describe at least three things that are wrong with the following "proof" that attempts to show the
above proposition is true. (The proposition is actually false!)
Proof. Let x E R. In the equation x 2 x, we can divide both sides by x, getting
x 2 1.
This means we only need to consider x values that are equal to 1 or larger.
If x = 1, the equation is true since 1 = 1 > 1 is true.
If x = 2, the equation is true since 2 = 4 > 2 is true.
If x = 3, the equation is true since 3" = 9 > 3 is true.
Since we can see a pattern now and it is always true, we know x 2 x for all values of x.
%3D
%3D
Type your response in the editor below. Don't attach or import a file or photo.
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I U X
A
A
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Σ Σ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F89e535e1-d06a-4c0b-b13b-278c9f376c35%2F06e1326d-782b-4236-b17a-081932c852de%2Fj1o316r_processed.png&w=3840&q=75)
Transcribed Image Text:Question 6
>
Proposition. If x E R, then x² > x.
Describe at least three things that are wrong with the following "proof" that attempts to show the
above proposition is true. (The proposition is actually false!)
Proof. Let x E R. In the equation x 2 x, we can divide both sides by x, getting
x 2 1.
This means we only need to consider x values that are equal to 1 or larger.
If x = 1, the equation is true since 1 = 1 > 1 is true.
If x = 2, the equation is true since 2 = 4 > 2 is true.
If x = 3, the equation is true since 3" = 9 > 3 is true.
Since we can see a pattern now and it is always true, we know x 2 x for all values of x.
%3D
%3D
Type your response in the editor below. Don't attach or import a file or photo.
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I U X
A
A
<>
Σ Σ
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