00:01
In this problem, we have been given two sets a and b, and we need to find the symmetric difference of the two sets.
00:08
Now, the symmetric difference of the two sets a and b is defined as a union b minus a intersection b.
00:18
So let us consider a union b first.
00:22
Now, that will be the set of all elements which are either in a or in b or in both.
00:27
Now, a has the elements 1, 2, 3, 3, 3, 4, and 5.
00:33
We're not going to write 2, and 3 once, so 2, and 3 more than once.
00:37
So this is what we get.
00:38
1, 2, 3, 4, 5.
00:39
That's a union b.
00:41
And a intersection b will be the set of all elements common to both a and b.
00:46
And we can see that the only elements which are present in both a and b are 2 and 3...