MCQOPTIONS
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| 1. |
If A=\[\{x|x\in \,N\,\]and \[({{x}^{2}}-4)\]\[({{x}^{2}}-5)\]=0} and B=\[\{x|x\in {{l}^{+}}\]and \[x(x-1)\]\[(x-2)\]=0} then \[(A\cup B)\]-\[(A\cap B)\]is |
| A. | {1, 2} |
| B. | {1} |
| C. | {2} |
| D. | \[\phi \] |
| Answer» C. {2} | |