Topology Q1) Choose the correct answer1- Let X be a non-empty set and r ((-00, a)| a E R} URU(4) then r is called:() Indiscrete(1) Discrete(II) Left ray(IV) Right ray2- Let X be a topological space and A C X, then the largest open set contained in A is:(1) A.(11) Ext (A).() A'.(IV) A.3- Two subsets A and B of the space X are called pair of disconnection of X if(1) AnB = 6,AUB = X(11) AnB + 4 (I1) AUB = X(IV) All.4. Let X (a, b, c), and r {X,p. [a), {b,c}}, then the subset (c} is: :(1) open.%3D(11) open and closed.(I1) closed.(IV) not open not closed.......

Name: Topology Q1) Choose the correct answer1- Let X be a non-empty set and
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Description: Topology Q1) Choose the correct answer1- Let X be a non-empty set and r ((-00, a)| a E R} URU(4) then r is called:() Indiscrete(1) Discrete(II) Left ray(IV) Right ray2- Let X be a topological space and A C X, then the largest open set contained in A

Let (X,T) be a topological space. Let A⊂X be a subset. Then intA is the largest open subset of A.

Math

Advanced Math

1- Let X be a non-empty set and r ((-o, a)| a E R) URU (4) then r is called: (11) Indiscrete (1) Discrete (I) Left ray (IV) Right ray 2- Let X be a topological space and AS X, then the largest open set contained in A is: (1) A'. (11) Ext (A). (1) A'. (IV) A. 3- Two subsets A and B of the space X are called pair of disconnection of X if (1) AnB = 4, AU B = X (11) AnB + (In) AUB = X (IV) All.

1- Let X be a non-empty set and r ((-o, a)| a E R) URU (4) then r is called: (11) Indiscrete (1) Discrete (I) Left ray (IV) Right ray 2- Let X be a topological space and AS X, then the largest open set contained in A is: (1) A'. (11) Ext (A). (1) A'. (IV) A. 3- Two subsets A and B of the space X are called pair of disconnection of X if (1) AnB = 4, AU B = X (11) AnB + (In) AUB = X (IV) All.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.7: Distinguishable Permutations And Combinations

Problem 30E

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