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CBSE Class 11-science Answered

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Asked by araima2001 | 10 Apr, 2016, 07:27: PM
answered-by-expert Expert Answer
open vertical bar straight x close vertical bar space equals space space space space space straight x space space space space i f space straight x space greater or equal than space 0 space space space space space space equals space minus straight x space space space space i f space straight x space less than space 0 straight x squared plus 3 open vertical bar straight x close vertical bar plus 2 space equals space straight x squared plus 3 straight x plus 2 space space space space i f space straight x greater or equal than 0 space space space space space space space space space space space space space space space space space space space equals space straight x squared minus 3 straight x plus 2 space space space space i f space straight x space less than space 0 I f space space space straight x space greater or equal than space 0 straight x squared plus 3 open vertical bar straight x close vertical bar plus 2 space equals space 0 rightwards double arrow space straight x squared plus 3 straight x plus 2 space equals 0 rightwards double arrow left parenthesis straight x plus 2 right parenthesis left parenthesis straight x plus 1 right parenthesis space equals space 0 rightwards double arrow space straight x space equals space minus 2 space a n d space straight x space equals space minus 1 I f space space space straight x space less than space 0 straight x squared plus 3 open vertical bar straight x close vertical bar plus 2 space equals space 0 rightwards double arrow space straight x squared minus 3 straight x plus 2 space equals 0 rightwards double arrow left parenthesis straight x minus 2 right parenthesis left parenthesis straight x minus 1 right parenthesis space equals space 0 rightwards double arrow space straight x space equals space 2 space a n d space straight x space equals space 1
 
 
 
 
Please post one query at a time.
Answered by Vijaykumar Wani | 11 Apr, 2016, 11:24: AM

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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
Question no 21
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how to represent Venn Diagram of A' and A.
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CBSE 11-science - Maths
What is Venn Diagram
Asked by pranavsrinivas82 | 10 Jan, 2024, 08:45: PM
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the cardinal number of the set of letters of the word MATHEMATICS
Asked by naiduuofficial | 06 Jan, 2023, 07:49: PM
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CBSE 11-science - Maths
If a set of the sets that are not member of itself is a member of itself
Asked by anjaneyagadgil04 | 05 Jan, 2023, 12:16: PM
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CBSE 11-science - Maths
if u = [2,3,4.....,11] A=[2,4,7] B = [ 3,5,7,9,11] C =[7,8,9,10,11] COMPUTE 1] [A INTERSECTION U} intersection {BUC} 2] C - B  3] B - C 4] { B - C }'
Asked by bangtan7hybe | 18 Sep, 2022, 06:36: PM
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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
Does the set S={0,1,-1} form a group under multiplication?
Asked by arjunsah797 | 03 Mar, 2022, 06:04: PM
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CBSE 11-science - Maths
PLEASE ANSWER THIS QUESTION ON SETS! 👇
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Asked by krishkhare04 | 03 Feb, 2022, 02:35: PM
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