\(A = \left[ {1;5} \right],B = \left( { - 2;3} \right) \cup \left( {3;7} \right)\)
A.\(\begin{array}{l}A \cup B = \left( { - 2;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {5;7} \right)\end{array}\)
B.\(\begin{array}{l}A \cup B = \left( { 1;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {5;7} \right)\end{array}\)
C.\(\begin{array}{l}A \cup B = \left( { - 2;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {3;7} \right)\end{array}\)
D.\(\begin{array}{l}A \cup B = \left( { 1;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {3;7} \right)\end{array}\)
A.\(\begin{array}{l}A \cup B = \left( { - 2;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {5;7} \right)\end{array}\)
B.\(\begin{array}{l}A \cup B = \left( { 1;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {5;7} \right)\end{array}\)
C.\(\begin{array}{l}A \cup B = \left( { - 2;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {3;7} \right)\end{array}\)
D.\(\begin{array}{l}A \cup B = \left( { 1;7} \right)\\A \cap B = \left[ {1;3} \right) \cup \left( {3;5} \right]\\A\backslash B = \left\{ 3 \right\}\\B\backslash A = \left( { - 2;1} \right) \cup \left( {3;7} \right)\end{array}\)
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Hóa Học lớp 12
