Consider the following in respect of sets A and B :
`1. (A-B)uuB=A`
`2. (A-B)uuA=A`
`3. (A-B)nnB=phi`
`4. AsubeBimpliesAuuB=B`
Which of the above are correct?

Consider the following in respect of sets A and B: 1. (A-B) cup B =A 2. (A-B) cup A=A 3. (A-B) cap B= phi 4. A sube B rArr A cup B =B Which of the above are correct ?

Consider the following in respect of the sets A and B : 1. (A cap B) sube A 2. (A cap B) sube B 3. A sube (A cup B) Which of the above are correct ?

Consider the following for any three non-empty sets, A, B and C. 1. A-(BuuC)=(A-B)uu(A-C) 2. A-B=A-(AnnB) 3.A=(AnnB)uu(A-B) Which of the above is/are correct ?

Which one of the following is not correct in respect of the sets A and B ?

For any set A and B prove that : (A-B)uuB=AuuB .

Consider the following in respect of matrices A, B and C of same order : 1. (A+B+C)'=A'+B'+C' 2. (AB)'=AB' 3. (ABC)'=C'B'A' Where A' is the transpose of the matrix A. Which of the above are correct ?

Consider the following statements in respect of symmetric matrices A and B 1. AB is symmetric. 2. A^(2) + B^(2) is symmetric. Which of the above statement(s) is/are correct ?