The symmetric difference of A and B is
(a)
(b)
(c)
(d)
Its answer given in the book is (b). But I found that (c) and (d) are also true. Am I right? If not please tell why. Thanks a lot for giving me your time.
The symmetric difference of A and B is
(a)
(b)
(c)
(d)
Its answer given in the book is (b). But I found that (c) and (d) are also true. Am I right? If not please tell why. Thanks a lot for giving me your time.
You are right. (a) is the only expression not equal to the symmetric difference of the sets A and B.
The symmetric difference of A and B is
(a)
(b)
(c)
(d)
Its answer given in the book is (b). But I found that (c) and (d) are also true. Am I right? If not please tell why. Thanks a lot for giving me your time.
Yes you are right about (c).[I dindn'ttry to prove the others].
One of the proofs of (c):