(Q.20 ) Let and are two bounded sets, then sup(AUB)=max {sup 4, sup B} sup(AnB)=min{sup A,sup B} inf (AUB) = max {inf A,inf B} inf (AOB) = min{inf A, inf B}
(Q.20 ) Let and are two bounded sets, then sup(AUB)=max {sup 4, sup B} sup(AnB)=min{sup A,sup B} inf (AUB) = max {inf A,inf B} inf (AOB) = min{inf A, inf 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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plz solve both parts neet and clean with handwritting ,within 20 min, plz do not solve wrong

Transcribed Image Text:(Q.20 )
Let
and
are two bounded sets, then
sup(AUB)=max{sup 4,sup B}
sup(AnB)=min{sup A, sup B}
inf (AUB) =max {inf A,inf B}
inf (AnB) = min{inf A,inf B}
![(Q.22 )
Which of the following set is/are comected
a
X,
where p and q are distinct prime
b
X, = {xER|cos nx =0 such that me R}
%3D
X, =U[2n,2n + 3]
2+](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd04b45ee-dad6-4151-a8f4-ce81487926a4%2F4ca75b2a-a2ad-4f9e-ae63-d2e78b68b408%2Fc5ukwdr_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(Q.22 )
Which of the following set is/are comected
a
X,
where p and q are distinct prime
b
X, = {xER|cos nx =0 such that me R}
%3D
X, =U[2n,2n + 3]
2+
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