Question

fill in the blank so that the resulting statement is true. set a is a proper subset of set b, expressed as \\( asubseteq b \\), means that set a is a subset of set b and dropdown options: sets a and b are equal, sets a and b may be equal, sets a and b are not equal.

Explanation:

A proper subset requires all elements of A are in B, and B has at least one element not in A, so A and B cannot be equal.

Answer:

sets A and B are not equal.