11 votes 11 votes The symmetric difference of sets $\text{A}=\{1,2, 3,4, 5, 6, 7, 8\}$ and $\text{B}= \{1, 3, 5, 6, 7,8,9\}$ is: $\{1, 3, 5, 6, 7,8\}$ $\{2, 4, 9\}$ $\{2, 4\}$ $\{1, 2, 3, 4, 5, 6, 7, 8, 9\}$ Set Theory & Algebra isro2017 set-theory&algebra set-theory + – sh!va asked May 7, 2017 • edited Dec 8, 2022 by Lakshman Bhaiya sh!va 5.4k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 21 votes 21 votes A={1,2, 3,4, 5, 6, 7, 8} And B = {1, 3, 5, 6, 7,8,9} A (symmetric difference) B = Elements which are in A but not in B $\cup$ Elements which are in B but not in A = (A - B) $\cup$ (B - A) = { 2 , 4 } $\cup$ { 9 } = { 2 ,4 ,9 } Option B is correct.. akash.dinkar12 answered May 7, 2017 • edited May 8, 2017 by Prashant. akash.dinkar12 comment Share Follow See all 0 reply Please log in or register to add a comment.
3 votes 3 votes A={1,2,3,4,5,6,7,8} and B={1,3,5,6,7,8,9} A U B = {1,2,3,4,5,6,7,8,9} , A ∩ B = {1,3,5,6,7,8} Symmetric difference = (A U B) - (A ∩ B) = {2,4,9} option B Rishi yadav answered Oct 12, 2017 Rishi yadav comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes Symmetric Difference of two sets A and B is a set which contains elements which are either in set A or in set B (but not both) clearly 2, 4 & 9 are such elements which are contained in only one of the 2 sets (exactly 1 of the two sets) A⊕B = {2,4,9} so answer is option B Prateek Thakral answered Oct 18, 2017 Prateek Thakral comment Share Follow See all 0 reply Please log in or register to add a comment.
1 votes 1 votes option B is My Answer EAGALA BHANUPRAKASH answered May 13, 2017 EAGALA BHANUPRAKASH comment Share Follow See all 0 reply Please log in or register to add a comment.