In the following, state whether A = B or not: A= {a,b, c,d} B = { d, c, b,a }

Examine whether the following statement is true or false: { a, b } cancelsub { b, c, a }

State whether the following statement is true of false . Justify your answer. {a, b, c, d} and {a, e, i, o, u} are disjoint sets.

State whether the following statements are true or false. (x +a) (x +b) = x ^(2) + ab + c (a +b)

Whether the following statement is true ? Justify your answer. If A sub B and B sub C,then A sub C.

In the following, determine whether the statement is true or false. If it is true, prove it. If it is false, give an example. If A sub B and B in C , then A in C

Whether the following statement is true ? Justify your answer. If A sub B and B in C,then A in C.

State whether the following statement is true or false. Justify: If ∗ is a commutative binary operation on N, then a*(b*c) = (c*b)*a

Find the adjoint of the following matrices: {:[(a,b),(c,d)]

Find the transpose of {:[(a,b),(c,d)]

State whether the following statements are true or false. Justify . If '*' is a commutative binary operation on N, then a*(b*c)=(c*b) *a