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| Q. |
The associative law of union is |
| A. | a u (b u c) = (a u b) u c = a u b u c |
| B. | a u b = b u a |
| C. | a u b = a u c |
| D. | b u c = b u a |
| Answer» A. a u (b u c) = (a u b) u c = a u b u c | |
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