Question Number 197063 by otchereabdullai@gmail.com last updated on 07/Sep/23
Answered by MM42 last updated on 07/Sep/23
Commented by MM42 last updated on 07/Sep/23
$$\mid{A}−\left({B}\cup{C}\right)\mid=\mathrm{7}\:\:\&\:\:\mid{C}\mid=\mathrm{55}\:\checkmark \\ $$
Commented by MathematicalUser2357 last updated on 10/Sep/23
$$\mathrm{Good}\:\mathrm{job} \\ $$
Commented by MM42 last updated on 10/Sep/23
$$\:\underline{\underbrace{\lesseqgtr}} \\ $$