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CBSE Class 11-science Answered

Is the set open curly brackets x : open vertical bar x close vertical bar equals 5 comma x element of N close curly brackets a singleton set?
Asked by Topperlearning User | 28 Jul, 2014, 12:18: PM
answered-by-expert Expert Answer
But  x = -5  N
Hence given set = {5}, which is a singleton set.
Answered by | 28 Jul, 2014, 02:18: PM

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CBSE 11-science - Maths
in exercise 1.3 1st q ii part abc is not subset of bcd but two elements are common i.e bc but in 2 question same exercise i part ab is subset of  bca how ??  
Asked by parvanipatil09 | 29 Mar, 2024, 10:12: AM
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CBSE 11-science - Maths
I am confused in a question from SETS AND RELATIONS P(A:B)={X:X∈P(A),B⊂X} In the given statement, does P(A:B) mean power set of ratio of set A and B? Please correct me if I am going wrong because I am not sure about it.
Asked by kdimple765 | 24 Jun, 2022, 04:22: PM
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CBSE 11-science - Maths
the collection of all li months of the year beginning with the letter j
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Asked by munsikhan543 | 01 Oct, 2020, 09:06: PM
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CBSE 11-science - Maths
What is mean by power set
Asked by cri71661 | 18 Sep, 2020, 09:09: PM
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CBSE 11-science - Maths
Hello Sir. Can you tell me the difference between subset and proper subset. Also please tell me the correct representation of their symbols.  
Asked by seeni2005 | 14 Aug, 2020, 01:36: PM
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CBSE 11-science - Maths
what is the difference between subset , supersubset and belong to.
Asked by monisaselvakumar | 19 Jun, 2019, 09:04: PM
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CBSE 11-science - Maths
If A={x²-1:x€N 1≤x≤5} write number of subsets of 'A'
Asked by Priyanshibisht30 | 26 Feb, 2019, 04:46: PM
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CBSE 11-science - Maths
Let A = {1, 2, 3}. Is empty set subset of A?
Asked by Topperlearning User | 28 Jul, 2014, 12:12: PM
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CBSE 11-science - Maths
If A = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, write a subset B of A that contain all multiples of 3.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
Two finite sets have m and n elements. The total number of subsets of the first set is 112 more than the total number of subsets of the second set. Find the values of m and n.
Asked by Topperlearning User | 17 Apr, 2014, 10:00: AM
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