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Question-74825




Question Number 74825 by liki last updated on 01/Dec/19
Commented by liki last updated on 01/Dec/19
...Anyone to help me !
$$…{Anyone}\:{to}\:{help}\:{me}\:! \\ $$
Commented by $@ty@m123 last updated on 01/Dec/19
Pl. type the question...
$${Pl}.\:{type}\:{the}\:{question}… \\ $$
Commented by kaivan.ahmadi last updated on 01/Dec/19
if A⊂B⇒ { ((n(A∪B)=n(B)=8⇢Min)),((n(A∩B)=n(A)=5⇢Max)) :}  ifA∩B=∅⇒ { ((n(A∪B)=8+5=13⇢Max)),((n(A∩B)=0⇢Min)) :}
$${if}\:{A}\subset{B}\Rightarrow\begin{cases}{{n}\left({A}\cup{B}\right)={n}\left({B}\right)=\mathrm{8}\dashrightarrow{Min}}\\{{n}\left({A}\cap{B}\right)={n}\left({A}\right)=\mathrm{5}\dashrightarrow{Max}}\end{cases} \\ $$$${ifA}\cap{B}=\varnothing\Rightarrow\begin{cases}{{n}\left({A}\cup{B}\right)=\mathrm{8}+\mathrm{5}=\mathrm{13}\dashrightarrow{Max}}\\{{n}\left({A}\cap{B}\right)=\mathrm{0}\dashrightarrow{Min}}\end{cases} \\ $$
Commented by kaivan.ahmadi last updated on 01/Dec/19
f(g(2))=f(3)=6  f(g(4))=f(5)=7  f(g(6))=f(7)⇢is not defined  fog={(2,6),(4,7)}
$${f}\left({g}\left(\mathrm{2}\right)\right)={f}\left(\mathrm{3}\right)=\mathrm{6} \\ $$$${f}\left({g}\left(\mathrm{4}\right)\right)={f}\left(\mathrm{5}\right)=\mathrm{7} \\ $$$${f}\left({g}\left(\mathrm{6}\right)\right)={f}\left(\mathrm{7}\right)\dashrightarrow{is}\:{not}\:{defined} \\ $$$${fog}=\left\{\left(\mathrm{2},\mathrm{6}\right),\left(\mathrm{4},\mathrm{7}\right)\right\} \\ $$
Commented by liki last updated on 01/Dec/19
...Thank you very much sir.
$$…{Thank}\:{you}\:{very}\:{much}\:{sir}. \\ $$

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