Let A = { X :3x =12 } .Is A = 4 ? If not , explain
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Answer:
Step-by-step explanation:
Concept used:
Sets are always denoted by capital letters of English alphabet and its elements are denoted by small letters of English alphabet enclosed in curly brackets.
Given:
A = { X : 3x =12 }
A = { X : x =4 }
A = { 4 }
Difference between A = { 4 } and A=4:
A = { 4 }
It means that the set A contains only one element, namely 4
A = 4
It means that the variable A assumes the value 4. It does not imply that the element 4 belongs to A.
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