If every element of set X is in set Y then_____________
If every element of set X is in set Y then_____________ Correct Answer X⊂Y
If every element of set X is in set Y then X is called subset of Y. X⊂Y. But every element of Y may or may not be the element of X so we can’t say Y⊂X and hence we can’t decide equality.
মোঃ আরিফুল ইসলাম
Feb 20, 2025